The number 50542
50542 is a composite number with 8 divisors. Its prime factorisation is 2 × 37 × 683. Divisors (8): 1, 2, 37, 74, 683, 1366, 25271, 50542.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50542: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
50542 is composite. Its prime factorisation is
- 3
The divisors add up to 77976; without 50542 itself that is 27434, so 50542 is deficient (27434 is less than 50542). Euler's totient φ(50542) = 24552 numbers up to 50542 share no factor with it.
- 4
The digits of 50542 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50542 = 2 \times 37 \times 683 \]
50542 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 77976 |
| Euler totient φ(n) | 24552 |
| Square | 2554493764 |
| Cube | 129109223820088 |
| Square root | 224.815480 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0542 × |
50542 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand five hundred and forty-two |
| Binary (base 2) | 1100010101101110 |
| Octal (base 8) | 142556 |
| Hexadecimal (base 16) | C56E |
| Base 3 | 2120022221 |
| As time | 50542 seconds = 14 h 2 min 22 s |
Is 50542 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50542 ÷ 2 = 25271) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50542 a prime number?
No. 50542 = 2 × 37 × 683, so it is divisible by 2.
What are the factors of 50542?
1, 2, 37, 74, 683, 1366, 25271, 50542.
What is 50542 in binary?
1100010101101110 (hexadecimal C56E, octal 142556).
What is the square root of 50542?
About 224.8155.
Is 50542 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 50542?
50542 is a happy number: repeatedly adding the squares of its digits reaches 1.