The number 24495
24495 is a composite number with 16 divisors. Its prime factorisation is 3 × 5 × 23 × 71. Divisors (16): 1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 24495.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
24495 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
24495 is composite. Its prime factorisation is
- 3
The divisors add up to 41472; without 24495 itself that is 16977, so 24495 is deficient (16977 is less than 24495). Euler's totient φ(24495) = 12320 numbers up to 24495 share no factor with it.
- 4
The digits of 24495 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24495 = 3 \times 5 \times 23 \times 71 \]
24495 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 41472 |
| Euler totient φ(n) | 12320 |
| Square | 600005025 |
| Cube | 14697123087375 |
| Square root | 156.508786 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.4495 × |
24495 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and ninety-five |
| Binary (base 2) | 101111110101111 |
| Octal (base 8) | 57657 |
| Hexadecimal (base 16) | 5FAF |
| Base 3 | 1020121020 |
| As time | 24495 seconds = 6 h 48 min 15 s |
Is 24495 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 | Yes (24495 ÷ 3 = 8165) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (24495 ÷ 5 = 4899) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24495 a prime number?
No. 24495 = 3 × 5 × 23 × 71, so it is divisible by 3.
What are the factors of 24495?
1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 24495.
What is 24495 in binary?
101111110101111 (hexadecimal 5FAF, octal 57657).
What is the square root of 24495?
About 156.5088.
Is 24495 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 24495?
It is a composite number with 16 divisors.