The number 49242
49242 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 29 × 283. Divisors (16): 1, 2, 3, 6, 29, 58, 87, 174, 283, 566, 849, 1698, 8207, 16414, 24621, 49242.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49242 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49242 is composite. Its prime factorisation is
- 3
The divisors add up to 102240; without 49242 itself that is 52998, so 49242 is abundant (52998 is more than 49242). Euler's totient φ(49242) = 15792 numbers up to 49242 share no factor with it.
- 4
The digits of 49242 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49242 = 2 \times 3 \times 29 \times 283 \]
49242 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 102240 |
| Euler totient φ(n) | 15792 |
| Square | 2424774564 |
| Cube | 119400749080488 |
| Square root | 221.905385 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.9242 × |
49242 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand two hundred and forty-two |
| Binary (base 2) | 1100000001011010 |
| Octal (base 8) | 140132 |
| Hexadecimal (base 16) | C05A |
| Base 3 | 2111112210 |
| As time | 49242 seconds = 13 h 40 min 42 s |
Is 49242 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49242 ÷ 2 = 24621) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (49242 ÷ 3 = 16414) | 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 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (49242 ÷ 6 = 8207) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49242 a prime number?
No. 49242 = 2 × 3 × 29 × 283, so it is divisible by 2.
What are the factors of 49242?
1, 2, 3, 6, 29, 58, 87, 174, 283, 566, 849, 1698, 8207, 16414, 24621, 49242.
What is 49242 in binary?
1100000001011010 (hexadecimal C05A, octal 140132).
What is the square root of 49242?
About 221.9054.
Is 49242 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 49242?
It is a composite number with 16 divisors.