The number 50745
50745 is a composite number with 16 divisors. Its prime factorisation is 3 × 5 × 17 × 199. Divisors (16): 1, 3, 5, 15, 17, 51, 85, 199, 255, 597, 995, 2985, 3383, 10149, 16915, 50745.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
50745 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50745 is composite. Its prime factorisation is
- 3
The divisors add up to 86400; without 50745 itself that is 35655, so 50745 is deficient (35655 is less than 50745). Euler's totient φ(50745) = 25344 numbers up to 50745 share no factor with it.
- 4
The digits of 50745 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50745 = 3 \times 5 \times 17 \times 199 \]
50745 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 86400 |
| Euler totient φ(n) | 25344 |
| Square | 2575055025 |
| Cube | 130671167243625 |
| Square root | 225.266509 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 57 |
| Scientific notation | 5.0745 × |
50745 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand seven hundred and forty-five |
| Binary (base 2) | 1100011000111001 |
| Octal (base 8) | 143071 |
| Hexadecimal (base 16) | C639 |
| Base 3 | 2120121110 |
| As time | 50745 seconds = 14 h 5 min 45 s |
Is 50745 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 | Yes (50745 ÷ 3 = 16915) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (50745 ÷ 5 = 10149) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | 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 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50745 a prime number?
No. 50745 = 3 × 5 × 17 × 199, so it is divisible by 3.
What are the factors of 50745?
1, 3, 5, 15, 17, 51, 85, 199, 255, 597, 995, 2985, 3383, 10149, 16915, 50745.
What is 50745 in binary?
1100011000111001 (hexadecimal C639, octal 143071).
What is the square root of 50745?
About 225.2665.
Is 50745 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 50745?
It is a composite number with 16 divisors.