The number 24423
24423 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 1163. Divisors (8): 1, 3, 7, 21, 1163, 3489, 8141, 24423.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24423: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
24423 is composite. Its prime factorisation is
- 3
The divisors add up to 37248; without 24423 itself that is 12825, so 24423 is deficient (12825 is less than 24423). Euler's totient φ(24423) = 13944 numbers up to 24423 share no factor with it.
- 4
The digits of 24423 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 100 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24423 = 3 \times 7 \times 1163 \]
24423 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 37248 |
| Euler totient φ(n) | 13944 |
| Square | 596482929 |
| Cube | 14567902574967 |
| Square root | 156.278597 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 100 |
| Scientific notation | 2.4423 × |
24423 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand four hundred and twenty-three |
| Binary (base 2) | 101111101100111 |
| Octal (base 8) | 57547 |
| Hexadecimal (base 16) | 5F67 |
| Base 3 | 1020111120 |
| As time | 24423 seconds = 6 h 47 min 3 s |
Is 24423 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 (24423 ÷ 3 = 8141) | 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 | No (remainder 3) | 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 | Yes (24423 ÷ 7 = 3489) | 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 3) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 24423 a prime number?
No. 24423 = 3 × 7 × 1163, so it is divisible by 3.
What are the factors of 24423?
1, 3, 7, 21, 1163, 3489, 8141, 24423.
What is 24423 in binary?
101111101100111 (hexadecimal 5F67, octal 57547).
What is the square root of 24423?
About 156.2786.
Is 24423 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 24423?
24423 is a happy number: repeatedly adding the squares of its digits reaches 1.