The number 48494
48494 is a composite number with 4 divisors. Its prime factorisation is 2 × 24247. Divisors (4): 1, 2, 24247, 48494.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48494: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 24247, the product of two primes.
- 2
48494 is composite. Its prime factorisation is
- 3
The divisors add up to 72744; without 48494 itself that is 24250, so 48494 is deficient (24250 is less than 48494). Euler's totient φ(48494) = 24246 numbers up to 48494 share no factor with it.
- 4
The digits of 48494 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48494 = 2 \times 24247 \]
48494 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 72744 |
| Euler totient φ(n) | 24246 |
| Square | 2351668036 |
| Cube | 114041789737784 |
| Square root | 220.213533 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.8494 × |
48494 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand four hundred and ninety-four |
| Binary (base 2) | 1011110101101110 |
| Octal (base 8) | 136556 |
| Hexadecimal (base 16) | BD6E |
| Base 3 | 2110112002 |
| As time | 48494 seconds = 13 h 28 min 14 s |
Is 48494 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (48494 ÷ 2 = 24247) | 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 4) | 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 6) | 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 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | 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 48494 a prime number?
No. 48494 = 2 × 24247, so it is divisible by 2.
What are the factors of 48494?
1, 2, 24247, 48494.
What is 48494 in binary?
1011110101101110 (hexadecimal BD6E, octal 136556).
What is the square root of 48494?
About 220.2135.
Is 48494 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 48494?
48494 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 24247, the product of two primes.