The number 24970
24970 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 11 × 227. Divisors (16): 1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 4994, 12485, 24970.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 24970: a Harshad number: divisible by its digit sum 22.
- 2
24970 is composite. Its prime factorisation is
- 3
The divisors add up to 49248; without 24970 itself that is 24278, so 24970 is deficient (24278 is less than 24970). Euler's totient φ(24970) = 9040 numbers up to 24970 share no factor with it.
- 4
The digits of 24970 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 64 steps to reach 1.
LaTeX source of the formulas on this page
\[ 24970 = 2 \times 5 \times 11 \times 227 \]
24970 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 49248 |
| Euler totient φ(n) | 9040 |
| Square | 623500900 |
| Cube | 15568817473000 |
| Square root | 158.018986 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 64 |
| Scientific notation | 2.497 × |
24970 in other forms
| Form | Value |
|---|---|
| In words | twenty-four thousand nine hundred and seventy |
| Binary (base 2) | 110000110001010 |
| Octal (base 8) | 60612 |
| Hexadecimal (base 16) | 618A |
| Base 3 | 1021020211 |
| As time | 24970 seconds = 6 h 56 min 10 s |
Is 24970 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (24970 ÷ 2 = 12485) | 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 | Yes (24970 ÷ 5 = 4994) | 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 1) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (24970 ÷ 10 = 2497) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (24970 ÷ 11 = 2270) | 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 24970 a prime number?
No. 24970 = 2 × 5 × 11 × 227, so it is divisible by 2.
What are the factors of 24970?
1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 4994, 12485, 24970.
What is 24970 in binary?
110000110001010 (hexadecimal 618A, octal 60612).
What is the square root of 24970?
About 158.0190.
Is 24970 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 24970?
24970 is a Harshad number: divisible by its digit sum 22.