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808695068 = 221571287731
BaseRepresentation
bin110000001100111…
…011010100011100
32002100200222002012
4300030323110130
53124011220233
6212125050352
726016536366
oct6014732434
92070628065
10808695068
1138553a635
121a69b69b8
13cb7087bc
147958dd36
154aee3548
hex3033b51c

808695068 has 12 divisors (see below), whose sum is σ = 1424231592. Its totient is φ = 401771760.

The previous prime is 808695067. The next prime is 808695077. The reversal of 808695068 is 860596808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808695067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643238 + ... + 644493.

It is an arithmetic number, because the mean of its divisors is an integer number (118685966).

Almost surely, 2808695068 is an apocalyptic number.

It is an amenable number.

808695068 is a deficient number, since it is larger than the sum of its proper divisors (615536524).

808695068 is a wasteful number, since it uses less digits than its factorization.

808695068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287892 (or 1287890 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 808695068 is about 28437.5643823447. The cubic root of 808695068 is about 931.6688991313.

The spelling of 808695068 in words is "eight hundred eight million, six hundred ninety-five thousand, sixty-eight".

Divisors: 1 2 4 157 314 628 1287731 2575462 5150924 202173767 404347534 808695068