The number 49525
49525 is a composite number with 12 divisors. Its prime factorisation is × 7 × 283. Divisors (12): 1, 5, 7, 25, 35, 175, 283, 1415, 1981, 7075, 9905, 49525.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49525: a Harshad number: divisible by its digit sum 25.
- 2
49525 is composite. Its prime factorisation is
- 3
The divisors add up to 70432; without 49525 itself that is 20907, so 49525 is deficient (20907 is less than 49525). Euler's totient φ(49525) = 33840 numbers up to 49525 share no factor with it.
- 4
The digits of 49525 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 39 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49525 = 5^{2} \times 7 \times 283 \]49525 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 70432 |
| Euler totient φ(n) | 33840 |
| Square | 2452725625 |
| Cube | 121471236578125 |
| Square root | 222.542131 (= 5√1981) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 39 |
| Scientific notation | 4.9525 × |
49525 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand five hundred and twenty-five |
| Binary (base 2) | 1100000101110101 |
| Octal (base 8) | 140565 |
| Hexadecimal (base 16) | C175 |
| Base 3 | 2111221021 |
| As time | 49525 seconds = 13 h 45 min 25 s |
Is 49525 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 (49525 ÷ 5 = 9905) | 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 | Yes (49525 ÷ 7 = 7075) | 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 3) | 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 49525 a prime number?
No. 49525 = × 7 × 283, so it is divisible by 5.
What are the factors of 49525?
1, 5, 7, 25, 35, 175, 283, 1415, 1981, 7075, 9905, 49525.
What is 49525 in binary?
1100000101110101 (hexadecimal C175, octal 140565).
What is the square root of 49525?
About 222.5421, exactly 5√1981.
Is 49525 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 49525?
49525 is a Harshad number: divisible by its digit sum 25.