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230754188 = 22719734177
BaseRepresentation
bin11011100000100…
…00011110001100
3121002012112020102
431300100132030
5433033113223
634521510232
75501243510
oct1560203614
9532175212
10230754188
11109289045
1265342378
1338a64652
142290a140
15153d1928
hexdc1078c

230754188 has 24 divisors (see below), whose sum is σ = 461852832. Its totient is φ = 98820864.

The previous prime is 230754187. The next prime is 230754197. The reversal of 230754188 is 881457032.

230754188 is digitally balanced in base 3, 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 (230754187) 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, 53156 + ... + 57332.

It is an arithmetic number, because the mean of its divisors is an integer number (19243868).

Almost surely, 2230754188 is an apocalyptic number.

230754188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230754188 is an abundant number, since it is smaller than the sum of its proper divisors (231098644).

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

230754188 is a wasteful number, since it uses less digits than its factorization.

230754188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 230754188 is about 15190.5953800370. The cubic root of 230754188 is about 613.3615258255.

The spelling of 230754188 in words is "two hundred thirty million, seven hundred fifty-four thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1973 3946 4177 7892 8354 13811 16708 27622 29239 55244 58478 116956 8241221 16482442 32964884 57688547 115377094 230754188