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230605895 = 51322715629
BaseRepresentation
bin11011011111011…
…00010001000111
3121001220222211002
431233230101013
5433013342040
634514403515
75500055252
oct1557542107
9531828732
10230605895
11109197693
126529059b
1338a11cc0
14228ac099
15153a2a15
hexdbec447

230605895 has 16 divisors (see below), whose sum is σ = 299345760. Its totient is φ = 169532544.

The previous prime is 230605871. The next prime is 230605913. The reversal of 230605895 is 598506032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230605895 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6941 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (18709110).

Almost surely, 2230605895 is an apocalyptic number.

230605895 is a deficient number, since it is larger than the sum of its proper divisors (68739865).

230605895 is a wasteful number, since it uses less digits than its factorization.

230605895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 230605895 is about 15185.7135163284. The cubic root of 230605895 is about 613.2301064525.

The spelling of 230605895 in words is "two hundred thirty million, six hundred five thousand, eight hundred ninety-five".

Divisors: 1 5 13 65 227 1135 2951 14755 15629 78145 203177 1015885 3547783 17738915 46121179 230605895