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538814864 = 24717282991
BaseRepresentation
bin100000000111011…
…010100110010000
31101112212122001002
4200013122212100
52100414033424
6125244401132
716231564550
oct4007324620
91345778032
10538814864
11257168645
121305461a8
1387825383
14517bb160
1532483cae
hex201da990

538814864 has 40 divisors (see below), whose sum is σ = 1263276288. Its totient is φ = 217336320.

The previous prime is 538814833. The next prime is 538814869. The reversal of 538814864 is 468418835.

It is not an unprimeable number, because it can be changed into a prime (538814869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 139592 + ... + 143399.

Almost surely, 2538814864 is an apocalyptic number.

It is an amenable number.

538814864 is an abundant number, since it is smaller than the sum of its proper divisors (724461424).

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

538814864 is a wasteful number, since it uses less digits than its factorization.

538814864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283023 (or 283017 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 538814864 is about 23212.3860040281. The cubic root of 538814864 is about 813.7291164002.

The spelling of 538814864 in words is "five hundred thirty-eight million, eight hundred fourteen thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 282991 565982 1131964 1980937 2263928 3961874 4527856 4810847 7923748 9621694 15847496 19243388 31694992 33675929 38486776 67351858 76973552 134703716 269407432 538814864