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812431068 = 223357118959
BaseRepresentation
bin110000011011001…
…011011011011100
32002121201202220120
4300123023123130
53130440243233
6212341114540
726063356461
oct6033133334
92077652816
10812431068
11387661539
121a80b8a50
13cc416157
1479c83668
154b4d04b3
hex306cb6dc

812431068 has 24 divisors (see below), whose sum is σ = 1896303360. Its totient is φ = 270720240.

The previous prime is 812431063. The next prime is 812431069. The reversal of 812431068 is 860134218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812431063) 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, 33373 + ... + 52331.

It is an arithmetic number, because the mean of its divisors is an integer number (79012640).

Almost surely, 2812431068 is an apocalyptic number.

It is an amenable number.

812431068 is an abundant number, since it is smaller than the sum of its proper divisors (1083872292).

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

812431068 is a wasteful number, since it uses less digits than its factorization.

812431068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22537 (or 22535 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 812431068 is about 28503.1764545638. The cubic root of 812431068 is about 933.1013997955.

The spelling of 812431068 in words is "eight hundred twelve million, four hundred thirty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 3571 7142 10713 14284 18959 21426 37918 42852 56877 75836 113754 227508 67702589 135405178 203107767 270810356 406215534 812431068