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804897912 = 23372131719163
BaseRepresentation
bin101111111110011…
…100010001111000
32002002120001100210
4233332130101320
53122023213122
6211511431120
725642343100
oct5776342170
92062501323
10804897912
11383386795
121a56854a0
13ca9a9370
1478c82200
154a9e340c
hex2ff9c478

804897912 has 384 divisors, whose sum is σ = 2826835200. Its totient is φ = 188116992.

The previous prime is 804897901. The next prime is 804897917. The reversal of 804897912 is 219798408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804897917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4937943 + ... + 4938105.

It is an arithmetic number, because the mean of its divisors is an integer number (7361550).

Almost surely, 2804897912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804897912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413417600).

804897912 is an abundant number, since it is smaller than the sum of its proper divisors (2021937288).

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

804897912 is a wasteful number, since it uses less digits than its factorization.

804897912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 804897912 is about 28370.7227965732. The cubic root of 804897912 is about 930.2084213184.

The spelling of 804897912 in words is "eight hundred four million, eight hundred ninety-seven thousand, nine hundred twelve".