The number 49867
49867 is a composite number with 4 divisors. Its prime factorisation is 47 × 1061. Divisors (4): 1, 47, 1061, 49867.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49867: a semiprime: 47 × 1061, the product of two primes.
- 2
49867 is composite. Its prime factorisation is
- 3
The divisors add up to 50976; without 49867 itself that is 1109, so 49867 is deficient (1109 is less than 49867). Euler's totient φ(49867) = 48760 numbers up to 49867 share no factor with it.
- 4
The digits of 49867 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 114 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49867 = 47 \times 1061 \]
49867 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50976 |
| Euler totient φ(n) | 48760 |
| Square | 2486717689 |
| Cube | 124005150997363 |
| Square root | 223.309203 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 114 |
| Scientific notation | 4.9867 × |
49867 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and sixty-seven |
| Binary (base 2) | 1100001011001011 |
| Octal (base 8) | 141313 |
| Hexadecimal (base 16) | C2CB |
| Base 3 | 2112101221 |
| As time | 49867 seconds = 13 h 51 min 7 s |
Is 49867 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 3) | 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 6) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49867 a prime number?
No. 49867 = 47 × 1061, so it is divisible by 47.
What are the factors of 49867?
1, 47, 1061, 49867.
What is 49867 in binary?
1100001011001011 (hexadecimal C2CB, octal 141313).
What is the square root of 49867?
About 223.3092.
Is 49867 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 49867?
49867 is a semiprime: 47 × 1061, the product of two primes.