The number 53427
53427 is a composite number with 8 divisors. Its prime factorisation is 3 × 11 × 1619. Divisors (8): 1, 3, 11, 33, 1619, 4857, 17809, 53427.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 53427: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
53427 is composite. Its prime factorisation is
- 3
The divisors add up to 77760; without 53427 itself that is 24333, so 53427 is deficient (24333 is less than 53427). Euler's totient φ(53427) = 32360 numbers up to 53427 share no factor with it.
- 4
The digits of 53427 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 53427 = 3 \times 11 \times 1619 \]
53427 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 77760 |
| Euler totient φ(n) | 32360 |
| Square | 2854444329 |
| Cube | 152504397165483 |
| Square root | 231.142813 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 96 |
| Scientific notation | 5.3427 × |
53427 in other forms
| Form | Value |
|---|---|
| In words | fifty-three thousand four hundred and twenty-seven |
| Binary (base 2) | 1101000010110011 |
| Octal (base 8) | 150263 |
| Hexadecimal (base 16) | D0B3 |
| Base 3 | 2201021210 |
| As time | 53427 seconds = 14 h 50 min 27 s |
Is 53427 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 (53427 ÷ 3 = 17809) | 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 2) | 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 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (53427 ÷ 11 = 4857) | 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 53427 a prime number?
No. 53427 = 3 × 11 × 1619, so it is divisible by 3.
What are the factors of 53427?
1, 3, 11, 33, 1619, 4857, 17809, 53427.
What is 53427 in binary?
1101000010110011 (hexadecimal D0B3, octal 150263).
What is the square root of 53427?
About 231.1428.
Is 53427 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 53427?
53427 is a happy number: repeatedly adding the squares of its digits reaches 1.