The number 48743
48743 is a composite number with 4 divisors. Its prime factorisation is 79 × 617. Divisors (4): 1, 79, 617, 48743.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48743: a semiprime: 79 × 617, the product of two primes.
- 2
48743 is composite. Its prime factorisation is
- 3
The divisors add up to 49440; without 48743 itself that is 697, so 48743 is deficient (697 is less than 48743). Euler's totient φ(48743) = 48048 numbers up to 48743 share no factor with it.
- 4
The digits of 48743 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48743 = 79 \times 617 \]
48743 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 49440 |
| Euler totient φ(n) | 48048 |
| Square | 2375880049 |
| Cube | 115807521228407 |
| Square root | 220.778169 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.8743 × |
48743 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and forty-three |
| Binary (base 2) | 1011111001100111 |
| Octal (base 8) | 137147 |
| Hexadecimal (base 16) | BE67 |
| Base 3 | 2110212022 |
| As time | 48743 seconds = 13 h 32 min 23 s |
Is 48743 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 2) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48743 a prime number?
No. 48743 = 79 × 617, so it is divisible by 79.
What are the factors of 48743?
1, 79, 617, 48743.
What is 48743 in binary?
1011111001100111 (hexadecimal BE67, octal 137147).
What is the square root of 48743?
About 220.7782.
Is 48743 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 48743?
48743 is a semiprime: 79 × 617, the product of two primes.