The number 49828
49828 is a composite number with 6 divisors. Its prime factorisation is × 12457. Divisors (6): 1, 2, 4, 12457, 24914, 49828.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49828 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49828 is composite. Its prime factorisation is
- 3
The divisors add up to 87206; without 49828 itself that is 37378, so 49828 is deficient (37378 is less than 49828). Euler's totient φ(49828) = 24912 numbers up to 49828 share no factor with it.
- 4
The digits of 49828 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49828 = 2^{2} \times 12457 \]49828 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 87206 |
| Euler totient φ(n) | 24912 |
| Square | 2482829584 |
| Cube | 123714432511552 |
| Square root | 223.221863 (= 2√12457) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.9828 × |
49828 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and twenty-eight |
| Binary (base 2) | 1100001010100100 |
| Octal (base 8) | 141244 |
| Hexadecimal (base 16) | C2A4 |
| Base 3 | 2112100111 |
| As time | 49828 seconds = 13 h 50 min 28 s |
Is 49828 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49828 ÷ 2 = 24914) | 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 | Yes (49828 ÷ 4 = 12457) | 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 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 4) | 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 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49828 a prime number?
No. 49828 = × 12457, so it is divisible by 2.
What are the factors of 49828?
1, 2, 4, 12457, 24914, 49828.
What is 49828 in binary?
1100001010100100 (hexadecimal C2A4, octal 141244).
What is the square root of 49828?
About 223.2219, exactly 2√12457.
Is 49828 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 49828?
It is a composite number with 6 divisors.