The number 46887
46887 is a composite number with 4 divisors. Its prime factorisation is 3 × 15629. Divisors (4): 1, 3, 15629, 46887.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 46887: a semiprime: 3 × 15629, the product of two primes.
- 2
46887 is composite. Its prime factorisation is
- 3
The divisors add up to 62520; without 46887 itself that is 15633, so 46887 is deficient (15633 is less than 46887). Euler's totient φ(46887) = 31256 numbers up to 46887 share no factor with it.
- 4
The digits of 46887 add up to 33, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46887 = 3 \times 15629 \]
46887 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 62520 |
| Euler totient φ(n) | 31256 |
| Square | 2198390769 |
| Cube | 103075947986103 |
| Square root | 216.534062 |
| Digit sum / digital root | 33 / 6 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.6887 × |
46887 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand eight hundred and eighty-seven |
| Binary (base 2) | 1011011100100111 |
| Octal (base 8) | 133447 |
| Hexadecimal (base 16) | B727 |
| Base 3 | 2101022120 |
| As time | 46887 seconds = 13 h 1 min 27 s |
Is 46887 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 (46887 ÷ 3 = 15629) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | 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 1) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 46887 a prime number?
No. 46887 = 3 × 15629, so it is divisible by 3.
What are the factors of 46887?
1, 3, 15629, 46887.
What is 46887 in binary?
1011011100100111 (hexadecimal B727, octal 133447).
What is the square root of 46887?
About 216.5341.
Is 46887 divisible by 3?
Yes. Its digits add up to 33, a multiple of 3.
What is special about the number 46887?
46887 is a semiprime: 3 × 15629, the product of two primes.