The number 49402
49402 is a composite number with 8 divisors. Its prime factorisation is 2 × 17 × 1453. Divisors (8): 1, 2, 17, 34, 1453, 2906, 24701, 49402.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49402 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49402 is composite. Its prime factorisation is
- 3
The divisors add up to 78516; without 49402 itself that is 29114, so 49402 is deficient (29114 is less than 49402). Euler's totient φ(49402) = 23232 numbers up to 49402 share no factor with it.
- 4
The digits of 49402 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49402 = 2 \times 17 \times 1453 \]
49402 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 78516 |
| Euler totient φ(n) | 23232 |
| Square | 2440557604 |
| Cube | 120568426752808 |
| Square root | 222.265607 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.9402 × |
49402 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand four hundred and two |
| Binary (base 2) | 1100000011111010 |
| Octal (base 8) | 140372 |
| Hexadecimal (base 16) | C0FA |
| Base 3 | 2111202201 |
| As time | 49402 seconds = 13 h 43 min 22 s |
Is 49402 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (49402 ÷ 2 = 24701) | 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 2) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49402 a prime number?
No. 49402 = 2 × 17 × 1453, so it is divisible by 2.
What are the factors of 49402?
1, 2, 17, 34, 1453, 2906, 24701, 49402.
What is 49402 in binary?
1100000011111010 (hexadecimal C0FA, octal 140372).
What is the square root of 49402?
About 222.2656.
Is 49402 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 49402?
It is a composite number with 8 divisors.