The number 49342
49342 is a composite number with 4 divisors. Its prime factorisation is 2 × 24671. Divisors (4): 1, 2, 24671, 49342.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49342: a semiprime: 2 × 24671, the product of two primes.
- 2
49342 is composite. Its prime factorisation is
- 3
The divisors add up to 74016; without 49342 itself that is 24674, so 49342 is deficient (24674 is less than 49342). Euler's totient φ(49342) = 24670 numbers up to 49342 share no factor with it.
- 4
The digits of 49342 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49342 = 2 \times 24671 \]
49342 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 74016 |
| Euler totient φ(n) | 24670 |
| Square | 2434632964 |
| Cube | 120129659709688 |
| Square root | 222.130592 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.9342 × |
49342 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand three hundred and forty-two |
| Binary (base 2) | 1100000010111110 |
| Octal (base 8) | 140276 |
| Hexadecimal (base 16) | C0BE |
| Base 3 | 2111200111 |
| As time | 49342 seconds = 13 h 42 min 22 s |
Is 49342 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49342 ÷ 2 = 24671) | 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 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 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49342 a prime number?
No. 49342 = 2 × 24671, so it is divisible by 2.
What are the factors of 49342?
1, 2, 24671, 49342.
What is 49342 in binary?
1100000010111110 (hexadecimal C0BE, octal 140276).
What is the square root of 49342?
About 222.1306.
Is 49342 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 49342?
49342 is a semiprime: 2 × 24671, the product of two primes.