The number 67622
67622 is a composite number with 4 divisors. Its prime factorisation is 2 × 33811. Divisors (4): 1, 2, 33811, 67622.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 67622: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 33811, the product of two primes.
- 2
67622 is composite. Its prime factorisation is
- 3
The divisors add up to 101436; without 67622 itself that is 33814, so 67622 is deficient (33814 is less than 67622). Euler's totient φ(67622) = 33810 numbers up to 67622 share no factor with it.
- 4
The digits of 67622 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67622 = 2 \times 33811 \]
67622 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 101436 |
| Euler totient φ(n) | 33810 |
| Square | 4572734884 |
| Cube | 309217478325848 |
| Square root | 260.042304 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 60 |
| Scientific notation | 6.7622 × |
67622 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand six hundred and twenty-two |
| Binary (base 2) | 10000100000100110 |
| Octal (base 8) | 204046 |
| Hexadecimal (base 16) | 10826 |
| Base 3 | 10102202112 |
| As time | 67622 seconds = 18 h 47 min 2 s |
Is 67622 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67622 ÷ 2 = 33811) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67622 a prime number?
No. 67622 = 2 × 33811, so it is divisible by 2.
What are the factors of 67622?
1, 2, 33811, 67622.
What is 67622 in binary?
10000100000100110 (hexadecimal 10826, octal 204046).
What is the square root of 67622?
About 260.0423.
Is 67622 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 67622?
67622 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 33811, the product of two primes.