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810852930 = 23451924759
BaseRepresentation
bin110000010101001…
…010001001000010
32002111202121010000
4300111022021002
53130034243210
6212243220430
726044064466
oct6025121102
92074677100
10810852930
11386783898
121a7677716
13cbcb2a44
14799924a6
154b2bcac0
hex3054a242

810852930 has 240 divisors, whose sum is σ = 2389875840. Its totient is φ = 197090496.

The previous prime is 810852929. The next prime is 810852943. The reversal of 810852930 is 39258018.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13743241 + ... + 13743299.

It is an arithmetic number, because the mean of its divisors is an integer number (9957816).

Almost surely, 2810852930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810852930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194937920).

810852930 is an abundant number, since it is smaller than the sum of its proper divisors (1579022910).

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

810852930 is a wasteful number, since it uses less digits than its factorization.

810852930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 810852930 is about 28475.4794516264. The cubic root of 810852930 is about 932.4968285919.

The spelling of 810852930 in words is "eight hundred ten million, eight hundred fifty-two thousand, nine hundred thirty".