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538006230 = 23255977847
BaseRepresentation
bin100000000100010…
…101001011010110
31101111100112210200
4200010111023112
52100212144410
6125215201330
716221656166
oct4004251326
91344315720
10538006230
11256766053
12130216246
13876012a8
145164a5a6
15323743c0
hex201152d6

538006230 has 24 divisors (see below), whose sum is σ = 1398816432. Its totient is φ = 143468304.

The previous prime is 538006229. The next prime is 538006243. The reversal of 538006230 is 32600835.

538006230 is a `hidden beast` number, since 5 + 38 + 0 + 0 + 623 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 538006194 and 538006203.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2988834 + ... + 2989013.

It is an arithmetic number, because the mean of its divisors is an integer number (58284018).

Almost surely, 2538006230 is an apocalyptic number.

538006230 is an abundant number, since it is smaller than the sum of its proper divisors (860810202).

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

538006230 is a wasteful number, since it uses less digits than its factorization.

538006230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977860 (or 5977857 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 538006230 is about 23194.9613062837. The cubic root of 538006230 is about 813.3218407779.

The spelling of 538006230 in words is "five hundred thirty-eight million, six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5977847 11955694 17933541 29889235 35867082 53800623 59778470 89667705 107601246 179335410 269003115 538006230