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831068816 = 24192733779
BaseRepresentation
bin110001100010010…
…001101010010000
32010220210200002112
4301202101222100
53200223200231
6214244404452
726410653104
oct6142215220
92126720075
10831068816
11397131336
121b23a6728
131032404c6
147c535904
154ce6292b
hex31891a90

831068816 has 20 divisors (see below), whose sum is σ = 1694943600. Its totient is φ = 393664032.

The previous prime is 831068809. The next prime is 831068839. The reversal of 831068816 is 618860138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366586 + ... + 1367193.

It is an arithmetic number, because the mean of its divisors is an integer number (84747180).

Almost surely, 2831068816 is an apocalyptic number.

It is an amenable number.

831068816 is an abundant number, since it is smaller than the sum of its proper divisors (863874784).

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

831068816 is a wasteful number, since it uses less digits than its factorization.

831068816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733806 (or 2733800 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 831068816 is about 28828.2641863849. The cubic root of 831068816 is about 940.1828586467.

The spelling of 831068816 in words is "eight hundred thirty-one million, sixty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 2733779 5467558 10935116 21870232 43740464 51941801 103883602 207767204 415534408 831068816