The number 48142
48142 is a composite number with 4 divisors. Its prime factorisation is 2 × 24071. Divisors (4): 1, 2, 24071, 48142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48142: a semiprime: 2 × 24071, the product of two primes.
- 2
48142 is composite. Its prime factorisation is
- 3
The divisors add up to 72216; without 48142 itself that is 24074, so 48142 is deficient (24074 is less than 48142). Euler's totient φ(48142) = 24070 numbers up to 48142 share no factor with it.
- 4
The digits of 48142 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48142 = 2 \times 24071 \]
48142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 72216 |
| Euler totient φ(n) | 24070 |
| Square | 2317652164 |
| Cube | 111576410479288 |
| Square root | 219.412853 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.8142 × |
48142 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand one hundred and forty-two |
| Binary (base 2) | 1011110000001110 |
| Octal (base 8) | 136016 |
| Hexadecimal (base 16) | BC0E |
| Base 3 | 2110001001 |
| As time | 48142 seconds = 13 h 22 min 22 s |
Is 48142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48142 ÷ 2 = 24071) | 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 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48142 a prime number?
No. 48142 = 2 × 24071, so it is divisible by 2.
What are the factors of 48142?
1, 2, 24071, 48142.
What is 48142 in binary?
1011110000001110 (hexadecimal BC0E, octal 136016).
What is the square root of 48142?
About 219.4129.
Is 48142 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 48142?
48142 is a semiprime: 2 × 24071, the product of two primes.