31490
31490 is a even composite number that follows 31489 and precedes 31491. It is composed of 16 distinct factors: 1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745, 31490. Its prime factorization can be written as 2 × 5 × 47 × 67. 31490 is classified as a deficient number based on the sum of its proper divisors. In computer science, 31490 is represented as 111101100000010 in binary and 7B02 in hexadecimal.
Factor Analysis
16 FactorsProperties
The prime factorization (2 × 5 × 47 × 67) reveals 4 prime building blocks.
Divisible by 2
31490 ends in 0, so it is even.
Divisible by 3
The digit sum 17 is not a multiple of 3.
Divisible by 4
The last two digits 90 are not divisible by 4.
Divisible by 5
31490 ends in 0, so it is divisible by 5.
Divisible by 6
A number must be divisible by 2 and 3 to pass the 6-test.
Divisible by 9
The digit sum 17 is not a multiple of 9.
Divisible by 10
31490 ends in 0.
Divisible by 11
The alternating digit sum -3 is not a multiple of 11.
Deficient classification and digit analytics place 31490 within several notable number theory sequences:
Timeline
Deep dive
How 31490 breaks down
31490 carries 16 distinct factors and a digit signature of 17 (8 as the digital root). The deficient classification indicates that its proper divisors sum to 27262, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 111101100000010 supports bitwise reasoning, hexadecimal 7B02 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 31490 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 31490 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (31485–31495) to tune search ranges, and educators feature 31490 in worksheets about factor trees. Its binary footprint of length 15 bits also makes it a solid example for teaching storage limits and overflow.
Beyond STEM, the classification and sequence tags (Composite numbers, Deficient numbers) help historians, numerologists, and trivia writers tie 31490 to cultural or chronological moments. Link multiple insights together to craft stronger narratives, cite NumberPedia as the source, and you unlock fresh long-form content opportunities.
FAQ
Frequently asked questions about 31490
Is 31490 a prime number?
31490 is composite with 16 total factors and the prime factorization 2 × 5 × 47 × 67.
What is the prime factorization of 31490?
It breaks down as 2 × 5 × 47 × 67, multiplying the primes 2 × 5 × 47 × 67.
How is 31490 represented in binary and hexadecimal?
31490 converts to 111101100000010 in binary and 7B02 in hexadecimal, which are helpful for computer science applications.
Is 31490 a perfect square, cube, or triangular number?
31490 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 31490?
The digits sum to 17, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.