The number 35749
35749 is a composite number with 4 divisors. Its prime factorisation is 7 × 5107. Divisors (4): 1, 7, 5107, 35749.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 35749: a semiprime: 7 × 5107, the product of two primes.
- 2
35749 is composite. Its prime factorisation is
- 3
The divisors add up to 40864; without 35749 itself that is 5115, so 35749 is deficient (5115 is less than 35749). Euler's totient φ(35749) = 30636 numbers up to 35749 share no factor with it.
- 4
The digits of 35749 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 98 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35749 = 7 \times 5107 \]
35749 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 40864 |
| Euler totient φ(n) | 30636 |
| Square | 1277991001 |
| Cube | 45686900294749 |
| Square root | 189.074060 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 98 |
| Scientific notation | 3.5749 × |
35749 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand seven hundred and forty-nine |
| Binary (base 2) | 1000101110100101 |
| Octal (base 8) | 105645 |
| Hexadecimal (base 16) | 8BA5 |
| Base 3 | 1211001001 |
| As time | 35749 seconds = 9 h 55 min 49 s |
Is 35749 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (35749 ÷ 7 = 5107) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 35749 a prime number?
No. 35749 = 7 × 5107, so it is divisible by 7.
What are the factors of 35749?
1, 7, 5107, 35749.
What is 35749 in binary?
1000101110100101 (hexadecimal 8BA5, octal 105645).
What is the square root of 35749?
About 189.0741.
Is 35749 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 35749?
35749 is a semiprime: 7 × 5107, the product of two primes.