The number 54925
54925 is a composite number with 12 divisors. Its prime factorisation is Ć . Divisors (12): 1, 5, 13, 25, 65, 169, 325, 845, 2197, 4225, 10985, 54925.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 54925: a Harshad number: divisible by its digit sum 25.
- 2
54925 is composite. Its prime factorisation is
- 3
The divisors add up to 73780; without 54925 itself that is 18855, so 54925 is deficient (18855 is less than 54925). Euler's totient Ļ(54925) = 40560 numbers up to 54925 share no factor with it.
- 4
The digits of 54925 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 54925 = 5^{2} \times 13^{3} \]54925 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 73780 |
| Euler totient Ļ(n) | 40560 |
| Square | 3016755625 |
| Cube | 165695302703125 |
| Square root | 234.360833 (= 65ā13) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.4925 Ć |
54925 in other forms
| Form | Value |
|---|---|
| In words | fifty-four thousand nine hundred and twenty-five |
| Binary (base 2) | 1101011010001101 |
| Octal (base 8) | 153215 |
| Hexadecimal (base 16) | D68D |
| Base 3 | 2210100021 |
| As time | 54925 seconds = 15 h 15 min 25 s |
Is 54925 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (54925 Ć· 5 = 10985) | 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 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 | No (remainder 5) | 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 54925 a prime number?
No. 54925 = Ć , so it is divisible by 5.
What are the factors of 54925?
1, 5, 13, 25, 65, 169, 325, 845, 2197, 4225, 10985, 54925.
What is 54925 in binary?
1101011010001101 (hexadecimal D68D, octal 153215).
What is the square root of 54925?
About 234.3608, exactly 65ā13.
Is 54925 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 54925?
54925 is a Harshad number: divisible by its digit sum 25.