The number 49450
49450 is a composite number with 24 divisors. Its prime factorisation is 2 × × 23 × 43. Divisors (24): 1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 989 … 49450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49450 is composite. Its prime factorisation is
- 3
The divisors add up to 98208; without 49450 itself that is 48758, so 49450 is deficient (48758 is less than 49450). Euler's totient φ(49450) = 18480 numbers up to 49450 share no factor with it.
- 4
The digits of 49450 add up to 22, 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
\[ 49450 = 2 \times 5^{2} \times 23 \times 43 \]49450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 98208 |
| Euler totient φ(n) | 18480 |
| Square | 2445302500 |
| Cube | 120920208625000 |
| Square root | 222.373560 (= 5√1978) |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 65 |
| Scientific notation | 4.945 × |
49450 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and fifty |
| Binary (base 2) | 1100000100101010 |
| Octal (base 8) | 140452 |
| Hexadecimal (base 16) | C12A |
| Base 3 | 2111211111 |
| As time | 49450 seconds = 13 h 44 min 10 s |
Is 49450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49450 ÷ 2 = 24725) | 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 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49450 ÷ 5 = 9890) | 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 2) | 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 | Yes (49450 ÷ 10 = 4945) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49450 a prime number?
No. 49450 = 2 × × 23 × 43, so it is divisible by 2.
What are the factors of 49450?
1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 989, 1075, 1150, 1978, 2150, 4945, 9890, 24725, 49450.
What is 49450 in binary?
1100000100101010 (hexadecimal C12A, octal 140452).
What is the square root of 49450?
About 222.3736, exactly 5√1978.
Is 49450 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 49450?
It is a composite number with 24 divisors.