Base | Representation |
---|---|
bin | 11001111110010101110011 |
3 | 110210221010020 |
4 | 121332111303 |
5 | 3220341242 |
6 | 401534523 |
7 | 111606105 |
oct | 31762563 |
9 | 13727106 |
10 | 6808947 |
11 | 3930732 |
12 | 2344443 |
13 | 1545282 |
14 | c93575 |
15 | 8e76ec |
hex | 67e573 |
6808947 has 8 divisors (see below), whose sum is σ = 9103056. Its totient is φ = 4527072.
The previous prime is 6808927. The next prime is 6808969. The reversal of 6808947 is 7498086.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6808947 - 26 = 6808883 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 6808899 and 6808908.
It is not an unprimeable number, because it can be changed into a prime (6808927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668 + ... + 4049.
It is an arithmetic number, because the mean of its divisors is an integer number (1137882).
Almost surely, 26808947 is an apocalyptic number.
6808947 is a deficient number, since it is larger than the sum of its proper divisors (2294109).
6808947 is a wasteful number, since it uses less digits than its factorization.
6808947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6117.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 6808947 is about 2609.3959071019. The cubic root of 6808947 is about 189.5367013057.
The spelling of 6808947 in words is "six million, eight hundred eight thousand, nine hundred forty-seven".
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