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538803396 = 223214966761
BaseRepresentation
bin100000000111010…
…111110011000100
31101112212001022100
4200013113303010
52100413202041
6125244232100
716231516245
oct4007276304
91345761270
10538803396
1125715aa6a
1213053b630
13878200a1
14517b6ccc
15324806b6
hex201d7cc4

538803396 has 18 divisors (see below), whose sum is σ = 1361975342. Its totient is φ = 179601120.

The previous prime is 538803379. The next prime is 538803439. The reversal of 538803396 is 693308835.

538803396 is a `hidden beast` number, since 538 + 80 + 3 + 39 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 273439296 + 265364100 = 16536^2 + 16290^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5388033962 = 580618199082265632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 7483345 + ... + 7483416.

Almost surely, 2538803396 is an apocalyptic number.

It is an amenable number.

538803396 is an abundant number, since it is smaller than the sum of its proper divisors (823171946).

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

538803396 is a wasteful number, since it uses less digits than its factorization.

538803396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966771 (or 14966766 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 538803396 is about 23212.1389794220. The cubic root of 538803396 is about 813.7233432907.

The spelling of 538803396 in words is "five hundred thirty-eight million, eight hundred three thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 14966761 29933522 44900283 59867044 89800566 134700849 179601132 269401698 538803396