The number 25267
25267 is a composite number with 4 divisors. Its prime factorisation is 11 × 2297. Divisors (4): 1, 11, 2297, 25267.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 25267: a semiprime: 11 × 2297, the product of two primes.
- 2
25267 is composite. Its prime factorisation is
- 3
The divisors add up to 27576; without 25267 itself that is 2309, so 25267 is deficient (2309 is less than 25267). Euler's totient φ(25267) = 22960 numbers up to 25267 share no factor with it.
- 4
The digits of 25267 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 25267 = 11 \times 2297 \]
25267 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 27576 |
| Euler totient φ(n) | 22960 |
| Square | 638421289 |
| Cube | 16130990709163 |
| Square root | 158.955969 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.5267 × |
25267 in other forms
| Form | Value |
|---|---|
| In words | twenty-five thousand two hundred and sixty-seven |
| Binary (base 2) | 110001010110011 |
| Octal (base 8) | 61263 |
| Hexadecimal (base 16) | 62B3 |
| Base 3 | 1021122211 |
| As time | 25267 seconds = 7 h 1 min 7 s |
Is 25267 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 1) | 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 1) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 | Yes (25267 ÷ 11 = 2297) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 25267 a prime number?
No. 25267 = 11 × 2297, so it is divisible by 11.
What are the factors of 25267?
1, 11, 2297, 25267.
What is 25267 in binary?
110001010110011 (hexadecimal 62B3, octal 61263).
What is the square root of 25267?
About 158.9560.
Is 25267 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 25267?
25267 is a semiprime: 11 × 2297, the product of two primes.