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230234213 = 11171231199
BaseRepresentation
bin11011011100100…
…01100001100101
3121001020002222002
431232101201211
5432414443323
634502415045
75463646526
oct1556214145
9531202862
10230234213
11108a63410
1265131485
1338911a81
142281284d
151532c828
hexdb91865

230234213 has 8 divisors (see below), whose sum is σ = 265939200. Its totient is φ = 196991680.

The previous prime is 230234183. The next prime is 230234227. The reversal of 230234213 is 312432032.

230234213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230234213 - 218 = 229972069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230234273) 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, 615413 + ... + 615786.

It is an arithmetic number, because the mean of its divisors is an integer number (33242400).

Almost surely, 2230234213 is an apocalyptic number.

It is an amenable number.

230234213 is a deficient number, since it is larger than the sum of its proper divisors (35704987).

230234213 is a wasteful number, since it uses less digits than its factorization.

230234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231227.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 230234213 is about 15173.4706972400. The cubic root of 230234213 is about 612.9004688013.

Adding to 230234213 its reverse (312432032), we get a palindrome (542666245).

The spelling of 230234213 in words is "two hundred thirty million, two hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 11 17 187 1231199 13543189 20930383 230234213