The number 48242
48242 is a composite number with 4 divisors. Its prime factorisation is 2 × 24121. Divisors (4): 1, 2, 24121, 48242.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48242: a semiprime: 2 × 24121, the product of two primes.
- 2
48242 is composite. Its prime factorisation is
- 3
The divisors add up to 72366; without 48242 itself that is 24124, so 48242 is deficient (24124 is less than 48242). Euler's totient φ(48242) = 24120 numbers up to 48242 share no factor with it.
- 4
The digits of 48242 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48242 = 2 \times 24121 \]
48242 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 72366 |
| Euler totient φ(n) | 24120 |
| Square | 2327290564 |
| Cube | 112273151388488 |
| Square root | 219.640616 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.8242 × |
48242 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand two hundred and forty-two |
| Binary (base 2) | 1011110001110010 |
| Octal (base 8) | 136162 |
| Hexadecimal (base 16) | BC72 |
| Base 3 | 2110011202 |
| As time | 48242 seconds = 13 h 24 min 2 s |
Is 48242 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48242 ÷ 2 = 24121) | 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 | No (remainder 2) | 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 5) | 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 2) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48242 a prime number?
No. 48242 = 2 × 24121, so it is divisible by 2.
What are the factors of 48242?
1, 2, 24121, 48242.
What is 48242 in binary?
1011110001110010 (hexadecimal BC72, octal 136162).
What is the square root of 48242?
About 219.6406.
Is 48242 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 48242?
48242 is a semiprime: 2 × 24121, the product of two primes.