The number 40462
40462 is a composite number with 4 divisors. Its prime factorisation is 2 × 20231. Divisors (4): 1, 2, 20231, 40462.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 40462: a semiprime: 2 × 20231, the product of two primes.
- 2
40462 is composite. Its prime factorisation is
- 3
The divisors add up to 60696; without 40462 itself that is 20234, so 40462 is deficient (20234 is less than 40462). Euler's totient φ(40462) = 20230 numbers up to 40462 share no factor with it.
- 4
The digits of 40462 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 137 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40462 = 2 \times 20231 \]
40462 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60696 |
| Euler totient φ(n) | 20230 |
| Square | 1637173444 |
| Cube | 66243311891128 |
| Square root | 201.151684 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 137 |
| Scientific notation | 4.0462 × |
40462 in other forms
| Form | Value |
|---|---|
| In words | forty thousand four hundred and sixty-two |
| Binary (base 2) | 1001111000001110 |
| Octal (base 8) | 117016 |
| Hexadecimal (base 16) | 9E0E |
| Base 3 | 2001111121 |
| As time | 40462 seconds = 11 h 14 min 22 s |
Is 40462 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40462 ÷ 2 = 20231) | 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 2) | 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 7) | 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 4) | 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 40462 a prime number?
No. 40462 = 2 × 20231, so it is divisible by 2.
What are the factors of 40462?
1, 2, 20231, 40462.
What is 40462 in binary?
1001111000001110 (hexadecimal 9E0E, octal 117016).
What is the square root of 40462?
About 201.1517.
Is 40462 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 40462?
40462 is a semiprime: 2 × 20231, the product of two primes.