The number 46749
46749 is a composite number with 4 divisors. Its prime factorisation is 3 × 15583. Divisors (4): 1, 3, 15583, 46749.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 46749: a semiprime: 3 × 15583, the product of two primes.
- 2
46749 is composite. Its prime factorisation is
- 3
The divisors add up to 62336; without 46749 itself that is 15587, so 46749 is deficient (15587 is less than 46749). Euler's totient φ(46749) = 31164 numbers up to 46749 share no factor with it.
- 4
The digits of 46749 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46749 = 3 \times 15583 \]
46749 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 62336 |
| Euler totient φ(n) | 31164 |
| Square | 2185469001 |
| Cube | 102168490327749 |
| Square root | 216.215171 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.6749 × |
46749 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand seven hundred and forty-nine |
| Binary (base 2) | 1011011010011101 |
| Octal (base 8) | 133235 |
| Hexadecimal (base 16) | B69D |
| Base 3 | 2101010110 |
| As time | 46749 seconds = 12 h 59 min 9 s |
Is 46749 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 | Yes (46749 ÷ 3 = 15583) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 3) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 46749 a prime number?
No. 46749 = 3 × 15583, so it is divisible by 3.
What are the factors of 46749?
1, 3, 15583, 46749.
What is 46749 in binary?
1011011010011101 (hexadecimal B69D, octal 133235).
What is the square root of 46749?
About 216.2152.
Is 46749 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 46749?
46749 is a semiprime: 3 × 15583, the product of two primes.