The number 49837
49837 is a composite number with 8 divisors. Its prime factorisation is 19 × 43 × 61. Divisors (8): 1, 19, 43, 61, 817, 1159, 2623, 49837.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49837: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
49837 is composite. Its prime factorisation is
- 3
The divisors add up to 54560; without 49837 itself that is 4723, so 49837 is deficient (4723 is less than 49837). Euler's totient φ(49837) = 45360 numbers up to 49837 share no factor with it.
- 4
The digits of 49837 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 39 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49837 = 19 \times 43 \times 61 \]
49837 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 54560 |
| Euler totient φ(n) | 45360 |
| Square | 2483726569 |
| Cube | 123781481019253 |
| Square root | 223.242021 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 39 |
| Scientific notation | 4.9837 × |
49837 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and thirty-seven |
| Binary (base 2) | 1100001010101101 |
| Octal (base 8) | 141255 |
| Hexadecimal (base 16) | C2AD |
| Base 3 | 2112100211 |
| As time | 49837 seconds = 13 h 50 min 37 s |
Is 49837 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 5) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49837 a prime number?
No. 49837 = 19 × 43 × 61, so it is divisible by 19.
What are the factors of 49837?
1, 19, 43, 61, 817, 1159, 2623, 49837.
What is 49837 in binary?
1100001010101101 (hexadecimal C2AD, octal 141255).
What is the square root of 49837?
About 223.2420.
Is 49837 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 49837?
49837 is a happy number: repeatedly adding the squares of its digits reaches 1.