The number 57473
57473 is a composite number with 4 divisors. Its prime factorisation is 13 × 4421. Divisors (4): 1, 13, 4421, 57473.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 57473: a semiprime: 13 × 4421, the product of two primes.
- 2
57473 is composite. Its prime factorisation is
- 3
The divisors add up to 61908; without 57473 itself that is 4435, so 57473 is deficient (4435 is less than 57473). Euler's totient φ(57473) = 53040 numbers up to 57473 share no factor with it.
- 4
The digits of 57473 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 57473 = 13 \times 4421 \]
57473 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 61908 |
| Euler totient φ(n) | 53040 |
| Square | 3303145729 |
| Cube | 189841694482817 |
| Square root | 239.735271 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 91 |
| Scientific notation | 5.7473 × |
57473 in other forms
| Form | Value |
|---|---|
| In words | fifty-seven thousand four hundred and seventy-three |
| Binary (base 2) | 1110000010000001 |
| Octal (base 8) | 160201 |
| Hexadecimal (base 16) | E081 |
| Base 3 | 2220211122 |
| As time | 57473 seconds = 15 h 57 min 53 s |
Is 57473 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 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 57473 a prime number?
No. 57473 = 13 × 4421, so it is divisible by 13.
What are the factors of 57473?
1, 13, 4421, 57473.
What is 57473 in binary?
1110000010000001 (hexadecimal E081, octal 160201).
What is the square root of 57473?
About 239.7353.
Is 57473 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 57473?
57473 is a semiprime: 13 × 4421, the product of two primes.