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538916428 = 22691194977
BaseRepresentation
bin100000000111110…
…011011001001100
31101120001210100201
4200013303121030
52100430311203
6125250503244
716232466631
oct4007633114
91346053321
10538916428
11257227986
12130594b24
138785c67b
1451806188
15324a3e1d
hex201f364c

538916428 has 12 divisors (see below), whose sum is σ = 944473432. Its totient is φ = 269066880.

The previous prime is 538916393. The next prime is 538916447. The reversal of 538916428 is 824619835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94725 + ... + 100252.

Almost surely, 2538916428 is an apocalyptic number.

It is an amenable number.

538916428 is a deficient number, since it is larger than the sum of its proper divisors (405557004).

538916428 is a wasteful number, since it uses less digits than its factorization.

538916428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195672 (or 195670 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 538916428 is about 23214.5736122807. The cubic root of 538916428 is about 813.7802411911.

The spelling of 538916428 in words is "five hundred thirty-eight million, nine hundred sixteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 691 1382 2764 194977 389954 779908 134729107 269458214 538916428