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808928312 = 23118185619
BaseRepresentation
bin110000001101110…
…100010000111000
32002101010211000212
4300031310100320
53124041201222
6212134050252
726021530403
oct6015642070
92071124025
10808928312
113856898a5
121a6aa9988
13cb78aa0a
1479610d3a
154b03c6e2
hex30374438

808928312 has 16 divisors (see below), whose sum is σ = 1518042600. Its totient is φ = 404116960.

The previous prime is 808928311. The next prime is 808928333. The reversal of 808928312 is 213829808.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 808928312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808928311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33362 + ... + 52257.

Almost surely, 2808928312 is an apocalyptic number.

It is an amenable number.

808928312 is a deficient number, since it is larger than the sum of its proper divisors (709114288).

808928312 is a wasteful number, since it uses less digits than its factorization.

808928312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86806 (or 86802 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 808928312 is about 28441.6650708077. The cubic root of 808928312 is about 931.7584612340.

The spelling of 808928312 in words is "eight hundred eight million, nine hundred twenty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 1181 2362 4724 9448 85619 171238 342476 684952 101116039 202232078 404464156 808928312