The number 52018
52018 is a composite number with 8 divisors. Its prime factorisation is 2 × 31 × 839. Divisors (8): 1, 2, 31, 62, 839, 1678, 26009, 52018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 52018: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
52018 is composite. Its prime factorisation is
- 3
The divisors add up to 80640; without 52018 itself that is 28622, so 52018 is deficient (28622 is less than 52018). Euler's totient φ(52018) = 25140 numbers up to 52018 share no factor with it.
- 4
The digits of 52018 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52018 = 2 \times 31 \times 839 \]
52018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 80640 |
| Euler totient φ(n) | 25140 |
| Square | 2705872324 |
| Cube | 140754066549832 |
| Square root | 228.074549 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 127 |
| Scientific notation | 5.2018 × |
52018 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand and eighteen |
| Binary (base 2) | 1100101100110010 |
| Octal (base 8) | 145462 |
| Hexadecimal (base 16) | CB32 |
| Base 3 | 2122100121 |
| As time | 52018 seconds = 14 h 26 min 58 s |
Is 52018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (52018 ÷ 2 = 26009) | 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 | 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 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 7) | 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 10) | 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 52018 a prime number?
No. 52018 = 2 × 31 × 839, so it is divisible by 2.
What are the factors of 52018?
1, 2, 31, 62, 839, 1678, 26009, 52018.
What is 52018 in binary?
1100101100110010 (hexadecimal CB32, octal 145462).
What is the square root of 52018?
About 228.0745.
Is 52018 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 52018?
52018 is a happy number: repeatedly adding the squares of its digits reaches 1.