The number 53439
53439 is a composite number with 8 divisors. Its prime factorisation is 3 × 47 × 379. Divisors (8): 1, 3, 47, 141, 379, 1137, 17813, 53439.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
53439 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
53439 is composite. Its prime factorisation is
- 3
The divisors add up to 72960; without 53439 itself that is 19521, so 53439 is deficient (19521 is less than 53439). Euler's totient φ(53439) = 34776 numbers up to 53439 share no factor with it.
- 4
The digits of 53439 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 215 steps to reach 1.
LaTeX source of the formulas on this page
\[ 53439 = 3 \times 47 \times 379 \]
53439 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 72960 |
| Euler totient φ(n) | 34776 |
| Square | 2855726721 |
| Cube | 152607180243519 |
| Square root | 231.168770 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 215 |
| Scientific notation | 5.3439 × |
53439 in other forms
| Form | Value |
|---|---|
| In words | fifty-three thousand four hundred and thirty-nine |
| Binary (base 2) | 1101000010111111 |
| Octal (base 8) | 150277 |
| Hexadecimal (base 16) | D0BF |
| Base 3 | 2201022020 |
| As time | 53439 seconds = 14 h 50 min 39 s |
Is 53439 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 (53439 ÷ 3 = 17813) | 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 4) | 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 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 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 53439 a prime number?
No. 53439 = 3 × 47 × 379, so it is divisible by 3.
What are the factors of 53439?
1, 3, 47, 141, 379, 1137, 17813, 53439.
What is 53439 in binary?
1101000010111111 (hexadecimal D0BF, octal 150277).
What is the square root of 53439?
About 231.1688.
Is 53439 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 53439?
It is a composite number with 8 divisors.