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230866186 = 2233495421
BaseRepresentation
bin11011100001010…
…11110100001010
3121002102012212111
431300223310022
5433100204221
634524132534
75502221155
oct1560536412
9532365774
10230866186
11109355201
126539714a
1338aa3615
1422938c9c
1515404be1
hexdc2bd0a

230866186 has 8 divisors (see below), whose sum is σ = 347786244. Its totient is φ = 114937440.

The previous prime is 230866123. The next prime is 230866189. The reversal of 230866186 is 681668032.

230866186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 230584225 + 281961 = 15185^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (230866189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247245 + ... + 248176.

Almost surely, 2230866186 is an apocalyptic number.

230866186 is a deficient number, since it is larger than the sum of its proper divisors (116920058).

230866186 is a wasteful number, since it uses less digits than its factorization.

230866186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495656.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 230866186 is about 15194.2813584585. The cubic root of 230866186 is about 613.4607427366.

The spelling of 230866186 in words is "two hundred thirty million, eight hundred sixty-six thousand, one hundred eighty-six".

Divisors: 1 2 233 466 495421 990842 115433093 230866186