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230130202 = 21492233463
BaseRepresentation
bin11011011011110…
…00001000011010
3121001000211021211
431231320020122
5432403131302
634500253334
75463034351
oct1555701032
9531024254
10230130202
111089a2255
12650a124a
13388a6623
14227c6998
151530bad7
hexdb7821a

230130202 has 16 divisors (see below), whose sum is σ = 349171200. Its totient is φ = 113747472.

The previous prime is 230130179. The next prime is 230130209. The reversal of 230130202 is 202031032.

It is a happy number.

230130202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230130209) 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, 64723 + ... + 68185.

It is an arithmetic number, because the mean of its divisors is an integer number (21823200).

Almost surely, 2230130202 is an apocalyptic number.

230130202 is a deficient number, since it is larger than the sum of its proper divisors (119040998).

230130202 is a wasteful number, since it uses less digits than its factorization.

230130202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230130202 is about 15170.0429135847. The cubic root of 230130202 is about 612.8081599130.

Adding to 230130202 its reverse (202031032), we get a palindrome (432161234).

The spelling of 230130202 in words is "two hundred thirty million, one hundred thirty thousand, two hundred two".

Divisors: 1 2 149 223 298 446 3463 6926 33227 66454 515987 772249 1031974 1544498 115065101 230130202