The number 67925
67925 is a composite number with 24 divisors. Its prime factorisation is × 11 × 13 × 19. Divisors (24): 1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715 … 67925.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67925 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67925 is composite. Its prime factorisation is
- 3
The divisors add up to 104160; without 67925 itself that is 36235, so 67925 is deficient (36235 is less than 67925). Euler's totient φ(67925) = 43200 numbers up to 67925 share no factor with it.
- 4
The digits of 67925 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 130 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67925 = 5^{2} \times 11 \times 13 \times 19 \]67925 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 104160 |
| Euler totient φ(n) | 43200 |
| Square | 4613805625 |
| Cube | 313392747078125 |
| Square root | 260.624251 (= 5√2717) |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 130 |
| Scientific notation | 6.7925 × |
67925 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand nine hundred and twenty-five |
| Binary (base 2) | 10000100101010101 |
| Octal (base 8) | 204525 |
| Hexadecimal (base 16) | 10955 |
| Base 3 | 10110011202 |
| As time | 67925 seconds = 18 h 52 min 5 s |
Is 67925 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 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (67925 ÷ 5 = 13585) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | 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 5) | 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (67925 ÷ 11 = 6175) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67925 a prime number?
No. 67925 = × 11 × 13 × 19, so it is divisible by 5.
What are the factors of 67925?
1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1235, 2717, 3575, 5225, 6175, 13585, 67925.
What is 67925 in binary?
10000100101010101 (hexadecimal 10955, octal 204525).
What is the square root of 67925?
About 260.6243, exactly 5√2717.
Is 67925 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 67925?
It is a composite number with 24 divisors.