The number 48769
48769 is a composite number with 4 divisors. Its prime factorisation is 7 × 6967. Divisors (4): 1, 7, 6967, 48769.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48769: a semiprime: 7 × 6967, the product of two primes.
- 2
48769 is composite. Its prime factorisation is
- 3
The divisors add up to 55744; without 48769 itself that is 6975, so 48769 is deficient (6975 is less than 48769). Euler's totient φ(48769) = 41796 numbers up to 48769 share no factor with it.
- 4
The digits of 48769 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 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48769 = 7 \times 6967 \]
48769 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 55744 |
| Euler totient φ(n) | 41796 |
| Square | 2378415361 |
| Cube | 115992938740609 |
| Square root | 220.837044 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.8769 × |
48769 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand seven hundred and sixty-nine |
| Binary (base 2) | 1011111010000001 |
| Octal (base 8) | 137201 |
| Hexadecimal (base 16) | BE81 |
| Base 3 | 2110220021 |
| As time | 48769 seconds = 13 h 32 min 49 s |
Is 48769 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 4) | 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 | Yes (48769 ÷ 7 = 6967) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | 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 48769 a prime number?
No. 48769 = 7 × 6967, so it is divisible by 7.
What are the factors of 48769?
1, 7, 6967, 48769.
What is 48769 in binary?
1011111010000001 (hexadecimal BE81, octal 137201).
What is the square root of 48769?
About 220.8370.
Is 48769 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 48769?
48769 is a semiprime: 7 × 6967, the product of two primes.