The number 67018
67018 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 4787. Divisors (8): 1, 2, 7, 14, 4787, 9574, 33509, 67018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67018 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67018 is composite. Its prime factorisation is
- 3
The divisors add up to 114912; without 67018 itself that is 47894, so 67018 is deficient (47894 is less than 67018). Euler's totient φ(67018) = 28716 numbers up to 67018 share no factor with it.
- 4
The digits of 67018 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 161 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67018 = 2 \times 7 \times 4787 \]
67018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 114912 |
| Euler totient φ(n) | 28716 |
| Square | 4491412324 |
| Cube | 301005471129832 |
| Square root | 258.878350 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 161 |
| Scientific notation | 6.7018 × |
67018 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand and eighteen |
| Binary (base 2) | 10000010111001010 |
| Octal (base 8) | 202712 |
| Hexadecimal (base 16) | 105CA |
| Base 3 | 10101221011 |
| As time | 67018 seconds = 18 h 36 min 58 s |
Is 67018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67018 ÷ 2 = 33509) | 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 | Yes (67018 ÷ 7 = 9574) | 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 4) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67018 a prime number?
No. 67018 = 2 × 7 × 4787, so it is divisible by 2.
What are the factors of 67018?
1, 2, 7, 14, 4787, 9574, 33509, 67018.
What is 67018 in binary?
10000010111001010 (hexadecimal 105CA, octal 202712).
What is the square root of 67018?
About 258.8783.
Is 67018 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 67018?
It is a composite number with 8 divisors.