The number 67315
67315 is a composite number with 4 divisors. Its prime factorisation is 5 × 13463. Divisors (4): 1, 5, 13463, 67315.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 67315: a semiprime: 5 × 13463, the product of two primes.
- 2
67315 is composite. Its prime factorisation is
- 3
The divisors add up to 80784; without 67315 itself that is 13469, so 67315 is deficient (13469 is less than 67315). Euler's totient φ(67315) = 53848 numbers up to 67315 share no factor with it.
- 4
The digits of 67315 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 174 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67315 = 5 \times 13463 \]
67315 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 80784 |
| Euler totient φ(n) | 53848 |
| Square | 4531309225 |
| Cube | 305025080480875 |
| Square root | 259.451344 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 174 |
| Scientific notation | 6.7315 × |
67315 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand three hundred and fifteen |
| Binary (base 2) | 10000011011110011 |
| Octal (base 8) | 203363 |
| Hexadecimal (base 16) | 106F3 |
| Base 3 | 10102100011 |
| As time | 67315 seconds = 18 h 41 min 55 s |
Is 67315 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 1) | 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 | Yes (67315 ÷ 5 = 13463) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67315 a prime number?
No. 67315 = 5 × 13463, so it is divisible by 5.
What are the factors of 67315?
1, 5, 13463, 67315.
What is 67315 in binary?
10000011011110011 (hexadecimal 106F3, octal 203363).
What is the square root of 67315?
About 259.4513.
Is 67315 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 67315?
67315 is a semiprime: 5 × 13463, the product of two primes.