The number 48723
48723 is a composite number with 8 divisors. Its prime factorisation is 3 × 109 × 149. Divisors (8): 1, 3, 109, 149, 327, 447, 16241, 48723.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
48723 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48723 is composite. Its prime factorisation is
- 3
The divisors add up to 66000; without 48723 itself that is 17277, so 48723 is deficient (17277 is less than 48723). Euler's totient φ(48723) = 31968 numbers up to 48723 share no factor with it.
- 4
The digits of 48723 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48723 = 3 \times 109 \times 149 \]
48723 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 66000 |
| Euler totient φ(n) | 31968 |
| Square | 2373930729 |
| Cube | 115665026909067 |
| Square root | 220.732870 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.8723 × |
48723 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and twenty-three |
| Binary (base 2) | 1011111001010011 |
| Octal (base 8) | 137123 |
| Hexadecimal (base 16) | BE53 |
| Base 3 | 2110211120 |
| As time | 48723 seconds = 13 h 32 min 3 s |
Is 48723 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 | Yes (48723 ÷ 3 = 16241) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48723 a prime number?
No. 48723 = 3 × 109 × 149, so it is divisible by 3.
What are the factors of 48723?
1, 3, 109, 149, 327, 447, 16241, 48723.
What is 48723 in binary?
1011111001010011 (hexadecimal BE53, octal 137123).
What is the square root of 48723?
About 220.7329.
Is 48723 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 48723?
It is a composite number with 8 divisors.