The number 46490
46490 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 4649. Divisors (8): 1, 2, 5, 10, 4649, 9298, 23245, 46490.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
46490 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
46490 is composite. Its prime factorisation is
- 3
The divisors add up to 83700; without 46490 itself that is 37210, so 46490 is deficient (37210 is less than 46490). Euler's totient φ(46490) = 18592 numbers up to 46490 share no factor with it.
- 4
The digits of 46490 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 52 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46490 = 2 \times 5 \times 4649 \]
46490 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 83700 |
| Euler totient φ(n) | 18592 |
| Square | 2161320100 |
| Cube | 100479771449000 |
| Square root | 215.615398 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 52 |
| Scientific notation | 4.649 × |
46490 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand four hundred and ninety |
| Binary (base 2) | 1011010110011010 |
| Octal (base 8) | 132632 |
| Hexadecimal (base 16) | B59A |
| Base 3 | 2100202212 |
| As time | 46490 seconds = 12 h 54 min 50 s |
Is 46490 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (46490 ÷ 2 = 23245) | 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 | Yes (46490 ÷ 5 = 9298) | 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 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (46490 ÷ 10 = 4649) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 46490 a prime number?
No. 46490 = 2 × 5 × 4649, so it is divisible by 2.
What are the factors of 46490?
1, 2, 5, 10, 4649, 9298, 23245, 46490.
What is 46490 in binary?
1011010110011010 (hexadecimal B59A, octal 132632).
What is the square root of 46490?
About 215.6154.
Is 46490 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 46490?
It is a composite number with 8 divisors.