The number 50506
50506 is a composite number with 4 divisors. Its prime factorisation is 2 × 25253. Divisors (4): 1, 2, 25253, 50506.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50506: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 25253, the product of two primes.
- 2
50506 is composite. Its prime factorisation is
- 3
The divisors add up to 75762; without 50506 itself that is 25256, so 50506 is deficient (25256 is less than 50506). Euler's totient φ(50506) = 25252 numbers up to 50506 share no factor with it.
- 4
The digits of 50506 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 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50506 = 2 \times 25253 \]
50506 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 75762 |
| Euler totient φ(n) | 25252 |
| Square | 2550856036 |
| Cube | 128833534954216 |
| Square root | 224.735400 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 158 |
| Scientific notation | 5.0506 × |
50506 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand five hundred and six |
| Binary (base 2) | 1100010101001010 |
| Octal (base 8) | 142512 |
| Hexadecimal (base 16) | C54A |
| Base 3 | 2120021121 |
| As time | 50506 seconds = 14 h 1 min 46 s |
Is 50506 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50506 ÷ 2 = 25253) | 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 1) | 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 | 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 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 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | 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 50506 a prime number?
No. 50506 = 2 × 25253, so it is divisible by 2.
What are the factors of 50506?
1, 2, 25253, 50506.
What is 50506 in binary?
1100010101001010 (hexadecimal C54A, octal 142512).
What is the square root of 50506?
About 224.7354.
Is 50506 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 50506?
50506 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 25253, the product of two primes.