Base | Representation |
---|---|
bin | 11001111101010111111001 |
3 | 110210201200111 |
4 | 121331113321 |
5 | 3220224420 |
6 | 401504321 |
7 | 111561415 |
oct | 31752771 |
9 | 13721614 |
10 | 6804985 |
11 | 3928760 |
12 | 23420a1 |
13 | 1543525 |
14 | c91d45 |
15 | 8e645a |
hex | 67d5f9 |
6804985 has 8 divisors (see below), whose sum is σ = 8908416. Its totient is φ = 4949040.
The previous prime is 6804953. The next prime is 6804997. The reversal of 6804985 is 5894086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6804985 - 25 = 6804953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61809 + ... + 61918.
It is an arithmetic number, because the mean of its divisors is an integer number (1113552).
Almost surely, 26804985 is an apocalyptic number.
It is an amenable number.
6804985 is a deficient number, since it is larger than the sum of its proper divisors (2103431).
6804985 is a wasteful number, since it uses less digits than its factorization.
6804985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123743.
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 6804985 is about 2608.6366170856. The cubic root of 6804985 is about 189.4999315423.
It can be divided in two parts, 680 and 4985, that added together give a palindrome (5665).
The spelling of 6804985 in words is "six million, eight hundred four thousand, nine hundred eighty-five".
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