The number 67550
67550 is a composite number with 24 divisors. Its prime factorisation is 2 × × 7 × 193. Divisors (24): 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 965, 1351 … 67550.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
67550 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67550 is composite. Its prime factorisation is
- 3
The divisors add up to 144336; without 67550 itself that is 76786, so 67550 is abundant (76786 is more than 67550). Euler's totient φ(67550) = 23040 numbers up to 67550 share no factor with it.
- 4
The digits of 67550 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 112 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67550 = 2 \times 5^{2} \times 7 \times 193 \]67550 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 144336 |
| Euler totient φ(n) | 23040 |
| Square | 4563002500 |
| Cube | 308230818875000 |
| Square root | 259.903828 (= 5√2702) |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 112 |
| Scientific notation | 6.755 × |
67550 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand five hundred and fifty |
| Binary (base 2) | 10000011111011110 |
| Octal (base 8) | 203736 |
| Hexadecimal (base 16) | 107DE |
| Base 3 | 10102122212 |
| As time | 67550 seconds = 18 h 45 min 50 s |
Is 67550 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67550 ÷ 2 = 33775) | 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 | Yes (67550 ÷ 5 = 13510) | 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 | Yes (67550 ÷ 7 = 9650) | 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 | Yes (67550 ÷ 10 = 6755) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 67550 a prime number?
No. 67550 = 2 × × 7 × 193, so it is divisible by 2.
What are the factors of 67550?
1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 965, 1351, 1930, 2702, 4825, 6755, 9650, 13510, 33775, 67550.
What is 67550 in binary?
10000011111011110 (hexadecimal 107DE, octal 203736).
What is the square root of 67550?
About 259.9038, exactly 5√2702.
Is 67550 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 67550?
It is a composite number with 24 divisors.