The number 24502
24502 is a composite number with 4 divisors. Its prime factorisation is 2 × 12251. Divisors (4): 1, 2, 12251, 24502.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24502: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 12251, the product of two primes.
- 2
24502 is composite. Its prime factorisation is
- 3
The divisors add up to 36756; without 24502 itself that is 12254, so 24502 is deficient (12254 is less than 24502). Euler's totient φ(24502) = 12250 numbers up to 24502 share no factor with it.
- 4
The digits of 24502 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 157 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24502 = 2 \times 12251 \]
24502 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 36756 |
| Euler totient φ(n) | 12250 |
| Square | 600348004 |
| Cube | 14709726794008 |
| Square root | 156.531147 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 157 |
| Scientific notation | 2.4502 × |
24502 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand five hundred and two |
| Binary (base 2) | 101111110110110 |
| Octal (base 8) | 57666 |
| Hexadecimal (base 16) | 5FB6 |
| Base 3 | 1020121111 |
| As time | 24502 seconds = 6 h 48 min 22 s |
Is 24502 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24502 ÷ 2 = 12251) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24502 a prime number?
No. 24502 = 2 × 12251, so it is divisible by 2.
What are the factors of 24502?
1, 2, 12251, 24502.
What is 24502 in binary?
101111110110110 (hexadecimal 5FB6, octal 57666).
What is the square root of 24502?
About 156.5311.
Is 24502 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 24502?
24502 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 12251, the product of two primes.