The number 3478
3478 is a composite number with 8 divisors. Its prime factorisation is 2 × 37 × 47. Divisors (8): 1, 2, 37, 47, 74, 94, 1739, 3478.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
3478 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
3478 is composite. Its prime factorisation is
- 3
The divisors add up to 5472; without 3478 itself that is 1994, so 3478 is deficient (1994 is less than 3478). Euler's totient φ(3478) = 1656 numbers up to 3478 share no factor with it.
- 4
The digits of 3478 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 56 steps to reach 1.
LaTeX source of the formulas on this page
\[ 3478 = 2 \times 37 \times 47 \]
3478 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 5472 |
| Euler totient φ(n) | 1656 |
| Square | 12096484 |
| Cube | 42071571352 |
| Square root | 58.974571 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 56 |
| Scientific notation | 3.478 × |
3478 in other forms
| Form | Value |
|---|---|
| In words | three thousand four hundred and seventy-eight |
| Roman numerals | MMMCDLXXVIII |
| Binary (base 2) | 110110010110 |
| Octal (base 8) | 6626 |
| Hexadecimal (base 16) | D96 |
| Base 3 | 11202211 |
| As time | 3478 seconds = 57 min 58 s |
Is 3478 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (3478 ÷ 2 = 1739) | 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 3) | 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 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 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 3478 a prime number?
No. 3478 = 2 × 37 × 47, so it is divisible by 2.
What are the factors of 3478?
1, 2, 37, 47, 74, 94, 1739, 3478.
What is 3478 in binary?
110110010110 (hexadecimal D96, octal 6626).
What is the square root of 3478?
About 58.9746.
What is 3478 in Roman numerals?
MMMCDLXXVIII.
Is 3478 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 3478?
It is a composite number with 8 divisors.