The number 49148
49148 is a composite number with 12 divisors. Its prime factorisation is × 11 × 1117. Divisors (12): 1, 2, 4, 11, 22, 44, 1117, 2234, 4468, 12287, 24574, 49148.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49148 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49148 is composite. Its prime factorisation is
- 3
The divisors add up to 93912; without 49148 itself that is 44764, so 49148 is deficient (44764 is less than 49148). Euler's totient φ(49148) = 22320 numbers up to 49148 share no factor with it.
- 4
The digits of 49148 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49148 = 2^{2} \times 11 \times 1117 \]49148 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 93912 |
| Euler totient φ(n) | 22320 |
| Square | 2415525904 |
| Cube | 118718267129792 |
| Square root | 221.693482 (= 2√12287) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.9148 × |
49148 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand one hundred and forty-eight |
| Binary (base 2) | 1011111111111100 |
| Octal (base 8) | 137774 |
| Hexadecimal (base 16) | BFFC |
| Base 3 | 2111102022 |
| As time | 49148 seconds = 13 h 39 min 8 s |
Is 49148 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49148 ÷ 2 = 24574) | 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 (49148 ÷ 4 = 12287) | 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 1) | 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 8) | 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 (49148 ÷ 11 = 4468) | 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 49148 a prime number?
No. 49148 = × 11 × 1117, so it is divisible by 2.
What are the factors of 49148?
1, 2, 4, 11, 22, 44, 1117, 2234, 4468, 12287, 24574, 49148.
What is 49148 in binary?
1011111111111100 (hexadecimal BFFC, octal 137774).
What is the square root of 49148?
About 221.6935, exactly 2√12287.
Is 49148 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 49148?
It is a composite number with 12 divisors.