The number 25672
25672 is a composite number with 8 divisors. Its prime factorisation is × 3209. Divisors (8): 1, 2, 4, 8, 3209, 6418, 12836, 25672.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
25672 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
25672 is composite. Its prime factorisation is
- 3
The divisors add up to 48150; without 25672 itself that is 22478, so 25672 is deficient (22478 is less than 25672). Euler's totient φ(25672) = 12832 numbers up to 25672 share no factor with it.
- 4
The digits of 25672 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 77 steps to reach 1.
LaTeX source of the formulas on this page
\[ 25672 = 2^{3} \times 3209 \]25672 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 48150 |
| Euler totient φ(n) | 12832 |
| Square | 659051584 |
| Cube | 16919172264448 |
| Square root | 160.224842 (= 2√6418) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 77 |
| Scientific notation | 2.5672 × |
25672 in other forms
| Form | Value |
|---|---|
| In words | twenty-five thousand six hundred and seventy-two |
| Binary (base 2) | 110010001001000 |
| Octal (base 8) | 62110 |
| Hexadecimal (base 16) | 6448 |
| Base 3 | 1022012211 |
| As time | 25672 seconds = 7 h 7 min 52 s |
Is 25672 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (25672 ÷ 2 = 12836) | 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 | Yes (25672 ÷ 4 = 6418) | 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 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 | Yes (25672 ÷ 8 = 3209) | 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 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 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 25672 a prime number?
No. 25672 = × 3209, so it is divisible by 2.
What are the factors of 25672?
1, 2, 4, 8, 3209, 6418, 12836, 25672.
What is 25672 in binary?
110010001001000 (hexadecimal 6448, octal 62110).
What is the square root of 25672?
About 160.2248, exactly 2√6418.
Is 25672 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 25672?
It is a composite number with 8 divisors.