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6804812 = 2271912791
BaseRepresentation
bin11001111101010101001100
3110210201110002
4121331111030
53220223222
6401503432
7111561050
oct31752514
913721402
106804812
113928613
122341b78
131543421
14c91c60
158e6392
hex67d54c

6804812 has 24 divisors (see below), whose sum is σ = 14327040. Its totient is φ = 2762640.

The previous prime is 6804799. The next prime is 6804839. The reversal of 6804812 is 2184086.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (596960).

Almost surely, 26804812 is an apocalyptic number.

It is an amenable number.

6804812 is an abundant number, since it is smaller than the sum of its proper divisors (7522228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6804812 is a wasteful number, since it uses less digits than its factorization.

6804812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12821 (or 12819 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 6804812 is about 2608.6034577912. The cubic root of 6804812 is about 189.4983256722.

Adding to 6804812 its reverse (2184086), we get a palindrome (8988898).

The spelling of 6804812 in words is "six million, eight hundred four thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 12791 25582 51164 89537 179074 243029 358148 486058 972116 1701203 3402406 6804812