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805518092 = 221031955141
BaseRepresentation
bin110000000000110…
…011101100001100
32002010201120002102
4300000303230030
53122203034332
6211533014232
725650535151
oct6000635414
92063646072
10805518092
1138376a735
121a5924378
13cab65732
1478da4228
154aab7062
hex30033b0c

805518092 has 12 divisors (see below), whose sum is σ = 1423343376. Its totient is φ = 398848560.

The previous prime is 805518073. The next prime is 805518139. The reversal of 805518092 is 290815508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977159 + ... + 977982.

It is an arithmetic number, because the mean of its divisors is an integer number (118611948).

Almost surely, 2805518092 is an apocalyptic number.

It is an amenable number.

805518092 is a deficient number, since it is larger than the sum of its proper divisors (617825284).

805518092 is a wasteful number, since it uses less digits than its factorization.

805518092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955248 (or 1955246 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 805518092 is about 28381.6506214843. The cubic root of 805518092 is about 930.4472708859.

The spelling of 805518092 in words is "eight hundred five million, five hundred eighteen thousand, ninety-two".

Divisors: 1 2 4 103 206 412 1955141 3910282 7820564 201379523 402759046 805518092