The number 57448
57448 is a composite number with 16 divisors. Its prime factorisation is × 43 × 167. Divisors (16): 1, 2, 4, 8, 43, 86, 167, 172, 334, 344, 668, 1336, 7181, 14362, 28724, 57448.
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How to work it out
- 1
57448 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
57448 is composite. Its prime factorisation is
- 3
The divisors add up to 110880; without 57448 itself that is 53432, so 57448 is deficient (53432 is less than 57448). Euler's totient φ(57448) = 27888 numbers up to 57448 share no factor with it.
- 4
The digits of 57448 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 57448 = 2^{3} \times 43 \times 167 \]57448 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 110880 |
| Euler totient φ(n) | 27888 |
| Square | 3300272704 |
| Cube | 189594066299392 |
| Square root | 239.683124 (= 2√14362) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 73 |
| Scientific notation | 5.7448 × |
57448 in other forms
| Form | Value |
|---|---|
| In words | fifty-seven thousand four hundred and forty-eight |
| Binary (base 2) | 1110000001101000 |
| Octal (base 8) | 160150 |
| Hexadecimal (base 16) | E068 |
| Base 3 | 2220210201 |
| As time | 57448 seconds = 15 h 57 min 28 s |
Is 57448 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (57448 ÷ 2 = 28724) | 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 | Yes (57448 ÷ 4 = 14362) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 | Yes (57448 ÷ 8 = 7181) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 57448 a prime number?
No. 57448 = × 43 × 167, so it is divisible by 2.
What are the factors of 57448?
1, 2, 4, 8, 43, 86, 167, 172, 334, 344, 668, 1336, 7181, 14362, 28724, 57448.
What is 57448 in binary?
1110000001101000 (hexadecimal E068, octal 160150).
What is the square root of 57448?
About 239.6831, exactly 2√14362.
Is 57448 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 57448?
It is a composite number with 16 divisors.