The number 52490
52490 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 29 × 181. Divisors (16): 1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 905, 1810, 5249, 10498, 26245, 52490.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
52490 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
52490 is composite. Its prime factorisation is
- 3
The divisors add up to 98280; without 52490 itself that is 45790, so 52490 is deficient (45790 is less than 52490). Euler's totient φ(52490) = 20160 numbers up to 52490 share no factor with it.
- 4
The digits of 52490 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 78 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52490 = 2 \times 5 \times 29 \times 181 \]
52490 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 98280 |
| Euler totient φ(n) | 20160 |
| Square | 2755200100 |
| Cube | 144620453249000 |
| Square root | 229.106962 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 78 |
| Scientific notation | 5.249 × |
52490 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand four hundred and ninety |
| Binary (base 2) | 1100110100001010 |
| Octal (base 8) | 146412 |
| Hexadecimal (base 16) | CD0A |
| Base 3 | 2200000002 |
| As time | 52490 seconds = 14 h 34 min 50 s |
Is 52490 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (52490 ÷ 2 = 26245) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (52490 ÷ 5 = 10498) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | 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 | Yes (52490 ÷ 10 = 5249) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 52490 a prime number?
No. 52490 = 2 × 5 × 29 × 181, so it is divisible by 2.
What are the factors of 52490?
1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 905, 1810, 5249, 10498, 26245, 52490.
What is 52490 in binary?
1100110100001010 (hexadecimal CD0A, octal 146412).
What is the square root of 52490?
About 229.1070.
Is 52490 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 52490?
It is a composite number with 16 divisors.