The number 67426
67426 is a composite number with 4 divisors. Its prime factorisation is 2 × 33713. Divisors (4): 1, 2, 33713, 67426.
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How to work it out
- 1
What is special about 67426: a semiprime: 2 × 33713, the product of two primes.
- 2
67426 is composite. Its prime factorisation is
- 3
The divisors add up to 101142; without 67426 itself that is 33716, so 67426 is deficient (33716 is less than 67426). Euler's totient φ(67426) = 33712 numbers up to 67426 share no factor with it.
- 4
The digits of 67426 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 161 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67426 = 2 \times 33713 \]
67426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 101142 |
| Euler totient φ(n) | 33712 |
| Square | 4546265476 |
| Cube | 306536495984776 |
| Square root | 259.665169 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 161 |
| Scientific notation | 6.7426 × |
67426 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand four hundred and twenty-six |
| Binary (base 2) | 10000011101100010 |
| Octal (base 8) | 203542 |
| Hexadecimal (base 16) | 10762 |
| Base 3 | 10102111021 |
| As time | 67426 seconds = 18 h 43 min 46 s |
Is 67426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67426 ÷ 2 = 33713) | 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 1) | 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 2) | 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 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | 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 67426 a prime number?
No. 67426 = 2 × 33713, so it is divisible by 2.
What are the factors of 67426?
1, 2, 33713, 67426.
What is 67426 in binary?
10000011101100010 (hexadecimal 10762, octal 203542).
What is the square root of 67426?
About 259.6652.
Is 67426 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 67426?
67426 is a semiprime: 2 × 33713, the product of two primes.