The number 49628
49628 is a composite number with 12 divisors. Its prime factorisation is × 19 × 653. Divisors (12): 1, 2, 4, 19, 38, 76, 653, 1306, 2612, 12407, 24814, 49628.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49628 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49628 is composite. Its prime factorisation is
- 3
The divisors add up to 91560; without 49628 itself that is 41932, so 49628 is deficient (41932 is less than 49628). Euler's totient φ(49628) = 23472 numbers up to 49628 share no factor with it.
- 4
The digits of 49628 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49628 = 2^{2} \times 19 \times 653 \]49628 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 91560 |
| Euler totient φ(n) | 23472 |
| Square | 2462938384 |
| Cube | 122230706121152 |
| Square root | 222.773427 (= 2√12407) |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9628 × |
49628 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand six hundred and twenty-eight |
| Binary (base 2) | 1100000111011100 |
| Octal (base 8) | 140734 |
| Hexadecimal (base 16) | C1DC |
| Base 3 | 2112002002 |
| As time | 49628 seconds = 13 h 47 min 8 s |
Is 49628 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49628 ÷ 2 = 24814) | 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 | Yes (49628 ÷ 4 = 12407) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 4) | 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 8) | 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 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49628 a prime number?
No. 49628 = × 19 × 653, so it is divisible by 2.
What are the factors of 49628?
1, 2, 4, 19, 38, 76, 653, 1306, 2612, 12407, 24814, 49628.
What is 49628 in binary?
1100000111011100 (hexadecimal C1DC, octal 140734).
What is the square root of 49628?
About 222.7734, exactly 2√12407.
Is 49628 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 49628?
It is a composite number with 12 divisors.