The number 50722
50722 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 3623. Divisors (8): 1, 2, 7, 14, 3623, 7246, 25361, 50722.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50722: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
50722 is composite. Its prime factorisation is
- 3
The divisors add up to 86976; without 50722 itself that is 36254, so 50722 is deficient (36254 is less than 50722). Euler's totient φ(50722) = 21732 numbers up to 50722 share no factor with it.
- 4
The digits of 50722 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50722 = 2 \times 7 \times 3623 \]
50722 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 86976 |
| Euler totient φ(n) | 21732 |
| Square | 2572721284 |
| Cube | 130493568967048 |
| Square root | 225.215452 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 57 |
| Scientific notation | 5.0722 × |
50722 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand seven hundred and twenty-two |
| Binary (base 2) | 1100011000100010 |
| Octal (base 8) | 143042 |
| Hexadecimal (base 16) | C622 |
| Base 3 | 2120120121 |
| As time | 50722 seconds = 14 h 5 min 22 s |
Is 50722 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50722 ÷ 2 = 25361) | 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 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (50722 ÷ 7 = 7246) | 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 7) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50722 a prime number?
No. 50722 = 2 × 7 × 3623, so it is divisible by 2.
What are the factors of 50722?
1, 2, 7, 14, 3623, 7246, 25361, 50722.
What is 50722 in binary?
1100011000100010 (hexadecimal C622, octal 143042).
What is the square root of 50722?
About 225.2155.
Is 50722 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 50722?
50722 is a happy number: repeatedly adding the squares of its digits reaches 1.