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812073976 = 23720117211
BaseRepresentation
bin110000011001110…
…100001111111000
32002121001122001221
4300121310033320
53130342331401
6212325321424
726060341420
oct6031641770
92077048057
10812073976
1138743821a
121a7b66274
13cc31c75c
1479bcd480
154b45e7a1
hex306743f8

812073976 has 32 divisors (see below), whose sum is σ = 1741265280. Its totient is φ = 347810400.

The previous prime is 812073971. The next prime is 812074007. The reversal of 812073976 is 679370218.

It is a happy number.

812073976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812073971) 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, 109011 + ... + 116221.

It is an arithmetic number, because the mean of its divisors is an integer number (54414540).

Almost surely, 2812073976 is an apocalyptic number.

It is an amenable number.

812073976 is an abundant number, since it is smaller than the sum of its proper divisors (929191304).

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

812073976 is a wasteful number, since it uses less digits than its factorization.

812073976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235 (or 9231 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 812073976 is about 28496.9116923220. The cubic root of 812073976 is about 932.9646694774.

The spelling of 812073976 in words is "eight hundred twelve million, seventy-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 28 56 2011 4022 7211 8044 14077 14422 16088 28154 28844 50477 56308 57688 100954 112616 201908 403816 14501321 29002642 58005284 101509247 116010568 203018494 406036988 812073976