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230011794 = 23212778433
BaseRepresentation
bin11011011010110…
…11001110010010
3121000210210212100
431231123032102
5432340334134
634453541230
75462032215
oct1555331622
9530723770
10230011794
111089212a1
1265044816
133886476c
142279577c
15152d6999
hexdb5b392

230011794 has 12 divisors (see below), whose sum is σ = 498358926. Its totient is φ = 76670592.

The previous prime is 230011781. The next prime is 230011829. The reversal of 230011794 is 497110032.

It can be written as a sum of positive squares in only one way, i.e., 224550225 + 5461569 = 14985^2 + 2337^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6389199 + ... + 6389234.

Almost surely, 2230011794 is an apocalyptic number.

230011794 is an abundant number, since it is smaller than the sum of its proper divisors (268347132).

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

230011794 is a wasteful number, since it uses less digits than its factorization.

230011794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778441 (or 12778438 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 230011794 is about 15166.1397197837. The cubic root of 230011794 is about 612.7030399469.

The spelling of 230011794 in words is "two hundred thirty million, eleven thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 12778433 25556866 38335299 76670598 115005897 230011794