40749
40749 is a odd composite number that follows 40748 and precedes 40750. It is composed of 12 distinct factors: 1, 3, 17, 47, 51, 141, 289, 799, 867, 2397, 13583, 40749. Its prime factorization can be written as 3 × 17^2 × 47. 40749 is classified as a deficient number based on the sum of its proper divisors. In computer science, 40749 is represented as 1001111100101101 in binary and 9F2D in hexadecimal.
Factor Analysis
12 FactorsProperties
The prime factorization (3 × 17^2 × 47) reveals 4 prime building blocks.
Divisible by 2
40749 ends in 9, so it is odd.
Divisible by 3
The digit sum 24 is a multiple of 3.
Divisible by 4
The last two digits 49 are not divisible by 4.
Divisible by 5
40749 does not end in 0 or 5.
Divisible by 6
A number must be divisible by 2 and 3 to pass the 6-test.
Divisible by 9
The digit sum 24 is not a multiple of 9.
Divisible by 10
40749 does not end in 0.
Divisible by 11
The alternating digit sum 16 is not a multiple of 11.
Deficient classification and digit analytics place 40749 within several notable number theory sequences:
Timeline
Deep dive
How 40749 breaks down
40749 carries 12 distinct factors and a digit signature of 24 (6 as the digital root). The deficient classification indicates that its proper divisors sum to 18195, which stays below the number, offering a quick glimpse into its abundance profile.
Numeral conversions provide additional context: the binary form 1001111100101101 supports bitwise reasoning, hexadecimal 9F2D aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 40749 useful for math olympiad problems, puzzle design, and code challenges alike.
Context
Where 40749 shows up
Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (40744–40754) to tune search ranges, and educators feature 40749 in worksheets about factor trees. Its binary footprint of length 16 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 40749 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 40749
Is 40749 a prime number?
40749 is composite with 12 total factors and the prime factorization 3 × 17^2 × 47.
What is the prime factorization of 40749?
It breaks down as 3 × 17^2 × 47, multiplying the primes 3 × 17 × 17 × 47.
How is 40749 represented in binary and hexadecimal?
40749 converts to 1001111100101101 in binary and 9F2D in hexadecimal, which are helpful for computer science applications.
Is 40749 a perfect square, cube, or triangular number?
40749 is not a perfect square, is not a perfect cube, and is not triangular.
What are the digit sum and digital root of 40749?
The digits sum to 24, producing a digital root of 6. These tests power divisibility shortcuts for 3 and 9.