The number 46642
46642 is a composite number with 4 divisors. Its prime factorisation is 2 × 23321. Divisors (4): 1, 2, 23321, 46642.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 46642: a semiprime: 2 × 23321, the product of two primes.
- 2
46642 is composite. Its prime factorisation is
- 3
The divisors add up to 69966; without 46642 itself that is 23324, so 46642 is deficient (23324 is less than 46642). Euler's totient φ(46642) = 23320 numbers up to 46642 share no factor with it.
- 4
The digits of 46642 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 57 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46642 = 2 \times 23321 \]
46642 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 69966 |
| Euler totient φ(n) | 23320 |
| Square | 2175476164 |
| Cube | 101468559241288 |
| Square root | 215.967590 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 57 |
| Scientific notation | 4.6642 × |
46642 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand six hundred and forty-two |
| Binary (base 2) | 1011011000110010 |
| Octal (base 8) | 133062 |
| Hexadecimal (base 16) | B632 |
| Base 3 | 2100222111 |
| As time | 46642 seconds = 12 h 57 min 22 s |
Is 46642 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (46642 ÷ 2 = 23321) | 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 1) | 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 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 2) | 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 46642 a prime number?
No. 46642 = 2 × 23321, so it is divisible by 2.
What are the factors of 46642?
1, 2, 23321, 46642.
What is 46642 in binary?
1011011000110010 (hexadecimal B632, octal 133062).
What is the square root of 46642?
About 215.9676.
Is 46642 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 46642?
46642 is a semiprime: 2 × 23321, the product of two primes.