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230106265 = 5157293129
BaseRepresentation
bin11011011011100…
…10010010011001
3121000222121110021
431231302102121
5432401400030
634455550441
75462604514
oct1555622231
9530877407
10230106265
11108986274
126508b421
133889876c
14227bbd7b
151530497a
hexdb72499

230106265 has 8 divisors (see below), whose sum is σ = 277887240. Its totient is φ = 182911872.

The previous prime is 230106259. The next prime is 230106269. The reversal of 230106265 is 562601032.

It can be written as a sum of positive squares in 4 ways, for example, as 26501904 + 203604361 = 5148^2 + 14269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230106265 - 27 = 230106137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230106269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145780 + ... + 147349.

It is an arithmetic number, because the mean of its divisors is an integer number (34735905).

Almost surely, 2230106265 is an apocalyptic number.

It is an amenable number.

230106265 is a deficient number, since it is larger than the sum of its proper divisors (47780975).

230106265 is a wasteful number, since it uses less digits than its factorization.

230106265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293291.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 230106265 is about 15169.2539368289. The cubic root of 230106265 is about 612.7869120898.

Adding to 230106265 its reverse (562601032), we get a palindrome (792707297).

The spelling of 230106265 in words is "two hundred thirty million, one hundred six thousand, two hundred sixty-five".

Divisors: 1 5 157 785 293129 1465645 46021253 230106265