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230594380 = 22543268133
BaseRepresentation
bin11011011111010…
…01011101001100
3121001220102000121
431233221131030
5433013010010
634514234324
75500006552
oct1557513514
9531812017
10230594380
11109189a75
12652859a4
1338a099a3
14228a7bd2
151539e3da
hexdbe974c

230594380 has 24 divisors (see below), whose sum is σ = 495511632. Its totient is φ = 90092352.

The previous prime is 230594363. The next prime is 230594381. The reversal of 230594380 is 83495032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (230594381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 133207 + ... + 134926.

It is an arithmetic number, because the mean of its divisors is an integer number (20646318).

Almost surely, 2230594380 is an apocalyptic number.

230594380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230594380 is an abundant number, since it is smaller than the sum of its proper divisors (264917252).

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

230594380 is a wasteful number, since it uses less digits than its factorization.

230594380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268185 (or 268183 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 230594380 is about 15185.3343723476. The cubic root of 230594380 is about 613.2198993382.

The spelling of 230594380 in words is "two hundred thirty million, five hundred ninety-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 268133 536266 1072532 1340665 2681330 5362660 11529719 23059438 46118876 57648595 115297190 230594380