The number 14725
14725 is a composite number with 12 divisors. Its prime factorisation is × 19 × 31. Divisors (12): 1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 14725: a Harshad number: divisible by its digit sum 19.
- 2
14725 is composite. Its prime factorisation is
- 3
The divisors add up to 19840; without 14725 itself that is 5115, so 14725 is deficient (5115 is less than 14725). Euler's totient φ(14725) = 10800 numbers up to 14725 share no factor with it.
- 4
The digits of 14725 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 133 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14725 = 5^{2} \times 19 \times 31 \]14725 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 19840 |
| Euler totient φ(n) | 10800 |
| Square | 216825625 |
| Cube | 3192757328125 |
| Square root | 121.346611 (= 5√589) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 133 |
| Scientific notation | 1.4725 × |
14725 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand seven hundred and twenty-five |
| Binary (base 2) | 11100110000101 |
| Octal (base 8) | 34605 |
| Hexadecimal (base 16) | 3985 |
| Base 3 | 202012101 |
| As time | 14725 seconds = 4 h 5 min 25 s |
Is 14725 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 (14725 ÷ 5 = 2945) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 7) | 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 14725 a prime number?
No. 14725 = × 19 × 31, so it is divisible by 5.
What are the factors of 14725?
1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725.
What is 14725 in binary?
11100110000101 (hexadecimal 3985, octal 34605).
What is the square root of 14725?
About 121.3466, exactly 5√589.
Is 14725 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 14725?
14725 is a Harshad number: divisible by its digit sum 19.