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814930806 = 231271069463
BaseRepresentation
bin110000100100101…
…101101101110110
32002210102202220110
4300210231231312
53132110241211
6212510443450
726123540364
oct6044555566
92083382813
10814930806
11389009638
121a8b03586
13ccaacba1
147a334634
154b825ea6
hex3092db76

814930806 has 16 divisors (see below), whose sum is σ = 1642696704. Its totient is φ = 269504424.

The previous prime is 814930799. The next prime is 814930861. The reversal of 814930806 is 608039418.

It is a super-2 number, since 2×8149308062 = 1328224437135619272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533970 + ... + 535493.

It is an arithmetic number, because the mean of its divisors is an integer number (102668544).

Almost surely, 2814930806 is an apocalyptic number.

814930806 is an abundant number, since it is smaller than the sum of its proper divisors (827765898).

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

814930806 is a wasteful number, since it uses less digits than its factorization.

814930806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069595.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 814930806 is about 28546.9929414641. The cubic root of 814930806 is about 934.0574279151.

The spelling of 814930806 in words is "eight hundred fourteen million, nine hundred thirty thousand, eight hundred six".

Divisors: 1 2 3 6 127 254 381 762 1069463 2138926 3208389 6416778 135821801 271643602 407465403 814930806