The number 48818
48818 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 11 × 317. Divisors (16): 1, 2, 7, 11, 14, 22, 77, 154, 317, 634, 2219, 3487, 4438, 6974, 24409, 48818.
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How to work it out
- 1
48818 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
48818 is composite. Its prime factorisation is
- 3
The divisors add up to 91584; without 48818 itself that is 42766, so 48818 is deficient (42766 is less than 48818). Euler's totient φ(48818) = 18960 numbers up to 48818 share no factor with it.
- 4
The digits of 48818 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 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48818 = 2 \times 7 \times 11 \times 317 \]
48818 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 91584 |
| Euler totient φ(n) | 18960 |
| Square | 2383197124 |
| Cube | 116342917199432 |
| Square root | 220.947958 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.8818 × |
48818 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand eight hundred and eighteen |
| Binary (base 2) | 1011111010110010 |
| Octal (base 8) | 137262 |
| Hexadecimal (base 16) | BEB2 |
| Base 3 | 2110222002 |
| As time | 48818 seconds = 13 h 33 min 38 s |
Is 48818 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48818 ÷ 2 = 24409) | 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 | 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 | Yes (48818 ÷ 7 = 6974) | 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 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 | Yes (48818 ÷ 11 = 4438) | 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 48818 a prime number?
No. 48818 = 2 × 7 × 11 × 317, so it is divisible by 2.
What are the factors of 48818?
1, 2, 7, 11, 14, 22, 77, 154, 317, 634, 2219, 3487, 4438, 6974, 24409, 48818.
What is 48818 in binary?
1011111010110010 (hexadecimal BEB2, octal 137262).
What is the square root of 48818?
About 220.9480.
Is 48818 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 48818?
It is a composite number with 16 divisors.