The number 67850
67850 is a composite number with 24 divisors. Its prime factorisation is 2 × × 23 × 59. Divisors (24): 1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 230, 295, 575, 590, 1150 … 67850.
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How to work it out
- 1
67850 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
67850 is composite. Its prime factorisation is
- 3
The divisors add up to 133920; without 67850 itself that is 66070, so 67850 is deficient (66070 is less than 67850). Euler's totient φ(67850) = 25520 numbers up to 67850 share no factor with it.
- 4
The digits of 67850 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 112 steps to reach 1.
LaTeX source of the formulas on this page
\[ 67850 = 2 \times 5^{2} \times 23 \times 59 \]67850 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 133920 |
| Euler totient φ(n) | 25520 |
| Square | 4603622500 |
| Cube | 312355786625000 |
| Square root | 260.480326 (= 5√2714) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 112 |
| Scientific notation | 6.785 × |
67850 in other forms
| Form | Value |
|---|---|
| In words | sixty-seven thousand eight hundred and fifty |
| Binary (base 2) | 10000100100001010 |
| Octal (base 8) | 204412 |
| Hexadecimal (base 16) | 1090A |
| Base 3 | 10110001222 |
| As time | 67850 seconds = 18 h 50 min 50 s |
Is 67850 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (67850 ÷ 2 = 33925) | 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 (67850 ÷ 5 = 13570) | 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 6) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (67850 ÷ 10 = 6785) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 67850 a prime number?
No. 67850 = 2 × × 23 × 59, so it is divisible by 2.
What are the factors of 67850?
1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 230, 295, 575, 590, 1150, 1357, 1475, 2714, 2950, 6785, 13570, 33925, 67850.
What is 67850 in binary?
10000100100001010 (hexadecimal 1090A, octal 204412).
What is the square root of 67850?
About 260.4803, exactly 5√2714.
Is 67850 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 67850?
It is a composite number with 24 divisors.