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230936365 = 5112381713
BaseRepresentation
bin11011100001111…
…00111100101101
3121002112210010201
431300330330231
5433104430430
634525433501
75502632602
oct1560747455
9532483121
10230936365
111093a2a00
126540b891
1338ac954a
14229566a9
151541a8ca
hexdc3cf2d

230936365 has 12 divisors (see below), whose sum is σ = 304607772. Its totient is φ = 167953280.

The previous prime is 230936357. The next prime is 230936371. The reversal of 230936365 is 563639032.

It can be written as a sum of positive squares in 2 ways, for example, as 174821284 + 56115081 = 13222^2 + 7491^2 .

It is not a de Polignac number, because 230936365 - 23 = 230936357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190252 + ... + 191461.

It is an arithmetic number, because the mean of its divisors is an integer number (25383981).

Almost surely, 2230936365 is an apocalyptic number.

It is an amenable number.

230936365 is a deficient number, since it is larger than the sum of its proper divisors (73671407).

230936365 is a wasteful number, since it uses less digits than its factorization.

230936365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381740 (or 381729 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 37.

The square root of 230936365 is about 15196.5905715723. The cubic root of 230936365 is about 613.5228966342.

The spelling of 230936365 in words is "two hundred thirty million, nine hundred thirty-six thousand, three hundred sixty-five".

Divisors: 1 5 11 55 121 605 381713 1908565 4198843 20994215 46187273 230936365