The number 49873
49873 is a composite number with 4 divisors. Its prime factorisation is 53 × 941. Divisors (4): 1, 53, 941, 49873.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49873: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 53 × 941, the product of two primes.
- 2
49873 is composite. Its prime factorisation is
- 3
The divisors add up to 50868; without 49873 itself that is 995, so 49873 is deficient (995 is less than 49873). Euler's totient φ(49873) = 48880 numbers up to 49873 share no factor with it.
- 4
The digits of 49873 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 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49873 = 53 \times 941 \]
49873 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50868 |
| Euler totient φ(n) | 48880 |
| Square | 2487316129 |
| Cube | 124049917301617 |
| Square root | 223.322637 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.9873 × |
49873 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and seventy-three |
| Binary (base 2) | 1100001011010001 |
| Octal (base 8) | 141321 |
| Hexadecimal (base 16) | C2D1 |
| Base 3 | 2112102011 |
| As time | 49873 seconds = 13 h 51 min 13 s |
Is 49873 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 3) | 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 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 1) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 49873 a prime number?
No. 49873 = 53 × 941, so it is divisible by 53.
What are the factors of 49873?
1, 53, 941, 49873.
What is 49873 in binary?
1100001011010001 (hexadecimal C2D1, octal 141321).
What is the square root of 49873?
About 223.3226.
Is 49873 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 49873?
49873 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 53 × 941, the product of two primes.