The number 67407
67407 is a composite number with 4 divisors. Its prime factorisation is 3 × 22469. Divisors (4): 1, 3, 22469, 67407.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 67407: a semiprime: 3 × 22469, the product of two primes.
- 2
67407 is composite. Its prime factorisation is
- 3
The divisors add up to 89880; without 67407 itself that is 22473, so 67407 is deficient (22473 is less than 67407). Euler's totient φ(67407) = 44936 numbers up to 67407 share no factor with it.
- 4
The digits of 67407 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 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67407 = 3 \times 22469 \]
67407 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 89880 |
| Euler totient φ(n) | 44936 |
| Square | 4543703649 |
| Cube | 306277431868143 |
| Square root | 259.628581 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 68 |
| Scientific notation | 6.7407 × |
67407 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand four hundred and seven |
| Binary (base 2) | 10000011101001111 |
| Octal (base 8) | 203517 |
| Hexadecimal (base 16) | 1074F |
| Base 3 | 10102110120 |
| As time | 67407 seconds = 18 h 43 min 27 s |
Is 67407 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 (67407 ÷ 3 = 22469) | 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 4) | 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 7) | 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 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67407 a prime number?
No. 67407 = 3 × 22469, so it is divisible by 3.
What are the factors of 67407?
1, 3, 22469, 67407.
What is 67407 in binary?
10000011101001111 (hexadecimal 1074F, octal 203517).
What is the square root of 67407?
About 259.6286.
Is 67407 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 67407?
67407 is a semiprime: 3 × 22469, the product of two primes.