The number 49730
49730 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 4973. Divisors (8): 1, 2, 5, 10, 4973, 9946, 24865, 49730.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49730 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49730 is composite. Its prime factorisation is
- 3
The divisors add up to 89532; without 49730 itself that is 39802, so 49730 is deficient (39802 is less than 49730). Euler's totient φ(49730) = 19888 numbers up to 49730 share no factor with it.
- 4
The digits of 49730 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49730 = 2 \times 5 \times 4973 \]
49730 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 89532 |
| Euler totient φ(n) | 19888 |
| Square | 2473072900 |
| Cube | 122985915317000 |
| Square root | 223.002242 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.973 × |
49730 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand seven hundred and thirty |
| Binary (base 2) | 1100001001000010 |
| Octal (base 8) | 141102 |
| Hexadecimal (base 16) | C242 |
| Base 3 | 2112012212 |
| As time | 49730 seconds = 13 h 48 min 50 s |
Is 49730 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49730 ÷ 2 = 24865) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49730 ÷ 5 = 9946) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (49730 ÷ 10 = 4973) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49730 a prime number?
No. 49730 = 2 × 5 × 4973, so it is divisible by 2.
What are the factors of 49730?
1, 2, 5, 10, 4973, 9946, 24865, 49730.
What is 49730 in binary?
1100001001000010 (hexadecimal C242, octal 141102).
What is the square root of 49730?
About 223.0022.
Is 49730 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 49730?
It is a composite number with 8 divisors.