The number 48775
48775 is a composite number with 6 divisors. Its prime factorisation is Ć 1951. Divisors (6): 1, 5, 25, 1951, 9755, 48775.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48775: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
48775 is composite. Its prime factorisation is
- 3
The divisors add up to 60512; without 48775 itself that is 11737, so 48775 is deficient (11737 is less than 48775). Euler's totient Ļ(48775) = 39000 numbers up to 48775 share no factor with it.
- 4
The digits of 48775 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48775 = 5^{2} \times 1951 \]48775 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 60512 |
| Euler totient Ļ(n) | 39000 |
| Square | 2379000625 |
| Cube | 116035755484375 |
| Square root | 220.850628 (= 5ā1951) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.8775 Ć |
48775 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and seventy-five |
| Binary (base 2) | 1011111010000111 |
| Octal (base 8) | 137207 |
| Hexadecimal (base 16) | BE87 |
| Base 3 | 2110220111 |
| As time | 48775 seconds = 13 h 32 min 55 s |
Is 48775 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 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (48775 Ć· 5 = 9755) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48775 a prime number?
No. 48775 = Ć 1951, so it is divisible by 5.
What are the factors of 48775?
1, 5, 25, 1951, 9755, 48775.
What is 48775 in binary?
1011111010000111 (hexadecimal BE87, octal 137207).
What is the square root of 48775?
About 220.8506, exactly 5ā1951.
Is 48775 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 48775?
48775 is a happy number: repeatedly adding the squares of its digits reaches 1.