The number 50427
50427 is a composite number with 12 divisors. Its prime factorisation is × 13 × 431. Divisors (12): 1, 3, 9, 13, 39, 117, 431, 1293, 3879, 5603, 16809, 50427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50427: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
50427 is composite. Its prime factorisation is
- 3
The divisors add up to 78624; without 50427 itself that is 28197, so 50427 is deficient (28197 is less than 50427). Euler's totient φ(50427) = 30960 numbers up to 50427 share no factor with it.
- 4
The digits of 50427 add up to 18, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 171 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50427 = 3^{2} \times 13 \times 431 \]50427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 78624 |
| Euler totient φ(n) | 30960 |
| Square | 2542882329 |
| Cube | 128229927204483 |
| Square root | 224.559569 (= 3√5603) |
| Digit sum / digital root | 18 / 9 |
| Collatz steps to 1 | 171 |
| Scientific notation | 5.0427 × |
50427 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand four hundred and twenty-seven |
| Binary (base 2) | 1100010011111011 |
| Octal (base 8) | 142373 |
| Hexadecimal (base 16) | C4FB |
| Base 3 | 2120011200 |
| As time | 50427 seconds = 14 h 0 min 27 s |
Is 50427 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 (50427 ÷ 3 = 16809) | 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 6) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (50427 ÷ 9 = 5603) | 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 3) | 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 50427 a prime number?
No. 50427 = × 13 × 431, so it is divisible by 3.
What are the factors of 50427?
1, 3, 9, 13, 39, 117, 431, 1293, 3879, 5603, 16809, 50427.
What is 50427 in binary?
1100010011111011 (hexadecimal C4FB, octal 142373).
What is the square root of 50427?
About 224.5596, exactly 3√5603.
Is 50427 divisible by 3?
Yes. Its digits add up to 18, a multiple of 3.
What is special about the number 50427?
50427 is a happy number: repeatedly adding the squares of its digits reaches 1.