The number 48031
48031 is a composite number with 4 divisors. Its prime factorisation is 43 × 1117. Divisors (4): 1, 43, 1117, 48031.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48031: a semiprime: 43 × 1117, the product of two primes.
- 2
48031 is composite. Its prime factorisation is
- 3
The divisors add up to 49192; without 48031 itself that is 1161, so 48031 is deficient (1161 is less than 48031). Euler's totient φ(48031) = 46872 numbers up to 48031 share no factor with it.
- 4
The digits of 48031 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 70 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48031 = 43 \times 1117 \]
48031 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49192 |
| Euler totient φ(n) | 46872 |
| Square | 2306976961 |
| Cube | 110806410413791 |
| Square root | 219.159759 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 70 |
| Scientific notation | 4.8031 × |
48031 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand and thirty-one |
| Binary (base 2) | 1011101110011111 |
| Octal (base 8) | 135637 |
| Hexadecimal (base 16) | BB9F |
| Base 3 | 2102212221 |
| As time | 48031 seconds = 13 h 20 min 31 s |
Is 48031 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 | No (remainder 1) | 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 4) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48031 a prime number?
No. 48031 = 43 × 1117, so it is divisible by 43.
What are the factors of 48031?
1, 43, 1117, 48031.
What is 48031 in binary?
1011101110011111 (hexadecimal BB9F, octal 135637).
What is the square root of 48031?
About 219.1598.
Is 48031 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 48031?
48031 is a semiprime: 43 × 1117, the product of two primes.