The number 48047
48047 is a composite number with 4 divisors. Its prime factorisation is 23 × 2089. Divisors (4): 1, 23, 2089, 48047.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48047: a Harshad number: divisible by its digit sum 23; a semiprime: 23 × 2089, the product of two primes.
- 2
48047 is composite. Its prime factorisation is
- 3
The divisors add up to 50160; without 48047 itself that is 2113, so 48047 is deficient (2113 is less than 48047). Euler's totient φ(48047) = 45936 numbers up to 48047 share no factor with it.
- 4
The digits of 48047 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 44 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48047 = 23 \times 2089 \]
48047 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50160 |
| Euler totient φ(n) | 45936 |
| Square | 2308514209 |
| Cube | 110917182199823 |
| Square root | 219.196259 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 44 |
| Scientific notation | 4.8047 × |
48047 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand and forty-seven |
| Binary (base 2) | 1011101110101111 |
| Octal (base 8) | 135657 |
| Hexadecimal (base 16) | BBAF |
| Base 3 | 2102220112 |
| As time | 48047 seconds = 13 h 20 min 47 s |
Is 48047 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 2) | 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 5) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | 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 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48047 a prime number?
No. 48047 = 23 × 2089, so it is divisible by 23.
What are the factors of 48047?
1, 23, 2089, 48047.
What is 48047 in binary?
1011101110101111 (hexadecimal BBAF, octal 135657).
What is the square root of 48047?
About 219.1963.
Is 48047 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 48047?
48047 is a Harshad number: divisible by its digit sum 23; a semiprime: 23 × 2089, the product of two primes.