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230988 = 22319249
BaseRepresentation
bin111000011001001100
3102201212010
4320121030
524342423
64541220
71651302
oct703114
9381763
10230988
111485aa
12b1810
13811a4
1460272
1548693
hex3864c

230988 has 12 divisors (see below), whose sum is σ = 539000. Its totient is φ = 76992.

The previous prime is 230977. The next prime is 230999. The reversal of 230988 is 889032.

230988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230977) and next prime (230999).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2309882 = 106710912288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9613 + ... + 9636.

2230988 is an apocalyptic number.

It is an amenable number.

230988 is an abundant number, since it is smaller than the sum of its proper divisors (308012).

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

230988 is a wasteful number, since it uses less digits than its factorization.

230988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256 (or 19254 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 230988 is about 480.6121097101. The cubic root of 230988 is about 61.3568619033.

The spelling of 230988 in words is "two hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19249 38498 57747 76996 115494 230988