The number 47825
47825 is a composite number with 6 divisors. Its prime factorisation is Ć 1913. Divisors (6): 1, 5, 25, 1913, 9565, 47825.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47825 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47825 is composite. Its prime factorisation is
- 3
The divisors add up to 59334; without 47825 itself that is 11509, so 47825 is deficient (11509 is less than 47825). Euler's totient Ļ(47825) = 38240 numbers up to 47825 share no factor with it.
- 4
The digits of 47825 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47825 = 5^{2} \times 1913 \]47825 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 59334 |
| Euler totient Ļ(n) | 38240 |
| Square | 2287230625 |
| Cube | 109386804640625 |
| Square root | 218.689277 (= 5ā1913) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.7825 Ć |
47825 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand eight hundred and twenty-five |
| Binary (base 2) | 1011101011010001 |
| Octal (base 8) | 135321 |
| Hexadecimal (base 16) | BAD1 |
| Base 3 | 2102121022 |
| As time | 47825 seconds = 13 h 17 min 5 s |
Is 47825 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 | Yes (47825 Ć· 5 = 9565) | 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 | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | 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 8) | 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 47825 a prime number?
No. 47825 = Ć 1913, so it is divisible by 5.
What are the factors of 47825?
1, 5, 25, 1913, 9565, 47825.
What is 47825 in binary?
1011101011010001 (hexadecimal BAD1, octal 135321).
What is the square root of 47825?
About 218.6893, exactly 5ā1913.
Is 47825 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 47825?
It is a composite number with 6 divisors.