The number 50687
50687 is a composite number with 8 divisors. Its prime factorisation is 7 × 13 × 557. Divisors (8): 1, 7, 13, 91, 557, 3899, 7241, 50687.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50687 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50687 is composite. Its prime factorisation is
- 3
The divisors add up to 62496; without 50687 itself that is 11809, so 50687 is deficient (11809 is less than 50687). Euler's totient φ(50687) = 40032 numbers up to 50687 share no factor with it.
- 4
The digits of 50687 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 202 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50687 = 7 \times 13 \times 557 \]
50687 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 62496 |
| Euler totient φ(n) | 40032 |
| Square | 2569171969 |
| Cube | 130223619592703 |
| Square root | 225.137736 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 202 |
| Scientific notation | 5.0687 × |
50687 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand six hundred and eighty-seven |
| Binary (base 2) | 1100010111111111 |
| Octal (base 8) | 142777 |
| Hexadecimal (base 16) | C5FF |
| Base 3 | 2120112022 |
| As time | 50687 seconds = 14 h 4 min 47 s |
Is 50687 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 2) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (50687 ÷ 7 = 7241) | 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 8) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50687 a prime number?
No. 50687 = 7 × 13 × 557, so it is divisible by 7.
What are the factors of 50687?
1, 7, 13, 91, 557, 3899, 7241, 50687.
What is 50687 in binary?
1100010111111111 (hexadecimal C5FF, octal 142777).
What is the square root of 50687?
About 225.1377.
Is 50687 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 50687?
It is a composite number with 8 divisors.