The number 50879
50879 is a composite number with 4 divisors. Its prime factorisation is 83 × 613. Divisors (4): 1, 83, 613, 50879.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50879: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 83 × 613, the product of two primes.
- 2
50879 is composite. Its prime factorisation is
- 3
The divisors add up to 51576; without 50879 itself that is 697, so 50879 is deficient (697 is less than 50879). Euler's totient φ(50879) = 50184 numbers up to 50879 share no factor with it.
- 4
The digits of 50879 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50879 = 83 \times 613 \]
50879 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 51576 |
| Euler totient φ(n) | 50184 |
| Square | 2588672641 |
| Cube | 131709075301439 |
| Square root | 225.563738 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 57 |
| Scientific notation | 5.0879 × |
50879 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand eight hundred and seventy-nine |
| Binary (base 2) | 1100011010111111 |
| Octal (base 8) | 143277 |
| Hexadecimal (base 16) | C6BF |
| Base 3 | 2120210102 |
| As time | 50879 seconds = 14 h 7 min 59 s |
Is 50879 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 4) | 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 | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | 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 4) | 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 50879 a prime number?
No. 50879 = 83 × 613, so it is divisible by 83.
What are the factors of 50879?
1, 83, 613, 50879.
What is 50879 in binary?
1100011010111111 (hexadecimal C6BF, octal 143277).
What is the square root of 50879?
About 225.5637.
Is 50879 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 50879?
50879 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 83 × 613, the product of two primes.