The number 48629
48629 is a composite number with 4 divisors. Its prime factorisation is 7 × 6947. Divisors (4): 1, 7, 6947, 48629.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 48629: a semiprime: 7 × 6947, the product of two primes.
- 2
48629 is composite. Its prime factorisation is
- 3
The divisors add up to 55584; without 48629 itself that is 6955, so 48629 is deficient (6955 is less than 48629). Euler's totient φ(48629) = 41676 numbers up to 48629 share no factor with it.
- 4
The digits of 48629 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 48629 = 7 \times 6947 \]
48629 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 55584 |
| Euler totient φ(n) | 41676 |
| Square | 2364779641 |
| Cube | 114996869162189 |
| Square root | 220.519840 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.8629 × |
48629 in other forms
| Form | Value |
|---|---|
| In words | forty-eight thousand six hundred and twenty-nine |
| Binary (base 2) | 1011110111110101 |
| Octal (base 8) | 136765 |
| Hexadecimal (base 16) | BDF5 |
| Base 3 | 2110201002 |
| As time | 48629 seconds = 13 h 30 min 29 s |
Is 48629 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 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (48629 ÷ 7 = 6947) | 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 2) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 48629 a prime number?
No. 48629 = 7 × 6947, so it is divisible by 7.
What are the factors of 48629?
1, 7, 6947, 48629.
What is 48629 in binary?
1011110111110101 (hexadecimal BDF5, octal 136765).
What is the square root of 48629?
About 220.5198.
Is 48629 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 48629?
48629 is a semiprime: 7 × 6947, the product of two primes.