The number 55262
55262 is a composite number with 4 divisors. Its prime factorisation is 2 × 27631. Divisors (4): 1, 2, 27631, 55262.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55262: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 27631, the product of two primes.
- 2
55262 is composite. Its prime factorisation is
- 3
The divisors add up to 82896; without 55262 itself that is 27634, so 55262 is deficient (27634 is less than 55262). Euler's totient φ(55262) = 27630 numbers up to 55262 share no factor with it.
- 4
The digits of 55262 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55262 = 2 \times 27631 \]
55262 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 82896 |
| Euler totient φ(n) | 27630 |
| Square | 3053888644 |
| Cube | 168763994244728 |
| Square root | 235.078710 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.5262 × |
55262 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand two hundred and sixty-two |
| Binary (base 2) | 1101011111011110 |
| Octal (base 8) | 153736 |
| Hexadecimal (base 16) | D7DE |
| Base 3 | 2210210202 |
| As time | 55262 seconds = 15 h 21 min 2 s |
Is 55262 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55262 ÷ 2 = 27631) | 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 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 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 2) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55262 a prime number?
No. 55262 = 2 × 27631, so it is divisible by 2.
What are the factors of 55262?
1, 2, 27631, 55262.
What is 55262 in binary?
1101011111011110 (hexadecimal D7DE, octal 153736).
What is the square root of 55262?
About 235.0787.
Is 55262 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 55262?
55262 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 27631, the product of two primes.