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538686092 = 22724179829
BaseRepresentation
bin100000000110111…
…011001010001100
31101112122002101202
4200012323022030
52100400423332
6125241525032
716230520250
oct4006731214
91345562352
10538686092
1125708a91a
121304a3778
13877ab889
1451786260
153245aa62
hex201bb28c

538686092 has 24 divisors (see below), whose sum is σ = 1081856160. Its totient is φ = 229904640.

The previous prime is 538686077. The next prime is 538686103. The reversal of 538686092 is 290686835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33167 + ... + 46662.

It is an arithmetic number, because the mean of its divisors is an integer number (45077340).

Almost surely, 2538686092 is an apocalyptic number.

It is an amenable number.

538686092 is an abundant number, since it is smaller than the sum of its proper divisors (543170068).

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

538686092 is a wasteful number, since it uses less digits than its factorization.

538686092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80081 (or 80079 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 538686092 is about 23209.6120605235. The cubic root of 538686092 is about 813.6642865415.

The spelling of 538686092 in words is "five hundred thirty-eight million, six hundred eighty-six thousand, ninety-two".

Divisors: 1 2 4 7 14 28 241 482 964 1687 3374 6748 79829 159658 319316 558803 1117606 2235212 19238789 38477578 76955156 134671523 269343046 538686092