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812968794 = 232114105903
BaseRepresentation
bin110000011101001…
…110101101011010
32002122202002112100
4300131032231122
53131110000134
6212400424230
726101056261
oct6035165532
92078662470
10812968794
11387999540
121a8318076
13cc573b31
1479d835d8
154b589999
hex3074eb5a

812968794 has 24 divisors (see below), whose sum is σ = 1921563072. Its totient is φ = 246354120.

The previous prime is 812968759. The next prime is 812968799. The reversal of 812968794 is 497869218.

It is a self number, because there is not a number n which added to its sum of digits gives 812968794.

It is not an unprimeable number, because it can be changed into a prime (812968799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2052754 + ... + 2053149.

It is an arithmetic number, because the mean of its divisors is an integer number (80065128).

Almost surely, 2812968794 is an apocalyptic number.

812968794 is an abundant number, since it is smaller than the sum of its proper divisors (1108594278).

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

812968794 is a wasteful number, since it uses less digits than its factorization.

812968794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105922 (or 4105919 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 812968794 is about 28512.6076324141. The cubic root of 812968794 is about 933.3072191957.

The spelling of 812968794 in words is "eight hundred twelve million, nine hundred sixty-eight thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 4105903 8211806 12317709 24635418 36953127 45164933 73906254 90329866 135494799 270989598 406484397 812968794