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813814772 = 221012014393
BaseRepresentation
bin110000100000011…
…101001111110100
32002201100001222212
4300200131033310
53131314033042
6212430512552
726111211551
oct6040351764
92081301885
10813814772
113884170a1
121a8665758
13cc7abc04
147a123a28
154b6a5482
hex3081d3f4

813814772 has 12 divisors (see below), whose sum is σ = 1438277316. Its totient is φ = 402878400.

The previous prime is 813814753. The next prime is 813814829. The reversal of 813814772 is 277418318.

It can be written as a sum of positive squares in 2 ways, for example, as 744525796 + 69288976 = 27286^2 + 8324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006793 + ... + 1007600.

It is an arithmetic number, because the mean of its divisors is an integer number (119856443).

Almost surely, 2813814772 is an apocalyptic number.

It is an amenable number.

813814772 is a deficient number, since it is larger than the sum of its proper divisors (624462544).

813814772 is a wasteful number, since it uses less digits than its factorization.

813814772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014498 (or 2014496 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 813814772 is about 28527.4389316672. The cubic root of 813814772 is about 933.6308411545.

The spelling of 813814772 in words is "eight hundred thirteen million, eight hundred fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 101 202 404 2014393 4028786 8057572 203453693 406907386 813814772