The number 60775
60775 is a composite number with 24 divisors. Its prime factorisation is × 11 × 13 × 17. Divisors (24): 1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715 … 60775.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60775: a Harshad number: divisible by its digit sum 25.
- 2
60775 is composite. Its prime factorisation is
- 3
The divisors add up to 93744; without 60775 itself that is 32969, so 60775 is deficient (32969 is less than 60775). Euler's totient φ(60775) = 38400 numbers up to 60775 share no factor with it.
- 4
The digits of 60775 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 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60775 = 5^{2} \times 11 \times 13 \times 17 \]60775 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 93744 |
| Euler totient φ(n) | 38400 |
| Square | 3693600625 |
| Cube | 224478577984375 |
| Square root | 246.525861 (= 5√2431) |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 91 |
| Scientific notation | 6.0775 × |
60775 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand seven hundred and seventy-five |
| Binary (base 2) | 1110110101100111 |
| Octal (base 8) | 166547 |
| Hexadecimal (base 16) | ED67 |
| Base 3 | 10002100221 |
| As time | 60775 seconds = 16 h 52 min 55 s |
Is 60775 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 | No (remainder 1) | 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 | Yes (60775 ÷ 5 = 12155) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (60775 ÷ 11 = 5525) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60775 a prime number?
No. 60775 = × 11 × 13 × 17, so it is divisible by 5.
What are the factors of 60775?
1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3575, 4675, 5525, 12155, 60775.
What is 60775 in binary?
1110110101100111 (hexadecimal ED67, octal 166547).
What is the square root of 60775?
About 246.5259, exactly 5√2431.
Is 60775 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 60775?
60775 is a Harshad number: divisible by its digit sum 25.