The number 50477
50477 is a composite number with 4 divisors. Its prime factorisation is 7 × 7211. Divisors (4): 1, 7, 7211, 50477.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50477: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 7211, the product of two primes.
- 2
50477 is composite. Its prime factorisation is
- 3
The divisors add up to 57696; without 50477 itself that is 7219, so 50477 is deficient (7219 is less than 50477). Euler's totient φ(50477) = 43260 numbers up to 50477 share no factor with it.
- 4
The digits of 50477 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50477 = 7 \times 7211 \]
50477 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 57696 |
| Euler totient φ(n) | 43260 |
| Square | 2547927529 |
| Cube | 128611737881333 |
| Square root | 224.670870 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0477 × |
50477 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand four hundred and seventy-seven |
| Binary (base 2) | 1100010100101101 |
| Octal (base 8) | 142455 |
| Hexadecimal (base 16) | C52D |
| Base 3 | 2120020112 |
| As time | 50477 seconds = 14 h 1 min 17 s |
Is 50477 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 2) | 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 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (50477 ÷ 7 = 7211) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50477 a prime number?
No. 50477 = 7 × 7211, so it is divisible by 7.
What are the factors of 50477?
1, 7, 7211, 50477.
What is 50477 in binary?
1100010100101101 (hexadecimal C52D, octal 142455).
What is the square root of 50477?
About 224.6709.
Is 50477 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 50477?
50477 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 7 × 7211, the product of two primes.