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230187 = 32772
BaseRepresentation
bin111000001100101011
3102200202110
4320030223
524331222
64533403
71646046
oct701453
9380673
10230187
11147a41
12b1263
1380a09
145dc5d
154830c
hex3832b

230187 has 6 divisors (see below), whose sum is σ = 308028. Its totient is φ = 152904.

The previous prime is 230149. The next prime is 230189. The reversal of 230187 is 781032.

230187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230187 - 26 = 230123 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (230189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 693 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (51338).

2230187 is an apocalyptic number.

230187 is a deficient number, since it is larger than the sum of its proper divisors (77841).

230187 is an frugal number, since it uses more digits than its factorization.

230187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 230187 is about 479.7780736966. The cubic root of 230187 is about 61.2858571107.

The spelling of 230187 in words is "two hundred thirty thousand, one hundred eighty-seven".

Divisors: 1 3 277 831 76729 230187