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230893299 = 32713281921
BaseRepresentation
bin11011100001100…
…10011011110011
3121002110121001200
431300302123303
5433102041144
634524502243
75502363210
oct1560623363
9532417050
10230893299
1110937360a
12653aa983
1338ab2a70
1422944b07
151540cc69
hexdc326f3

230893299 has 24 divisors (see below), whose sum is σ = 410478432. Its totient is φ = 121789440.

The previous prime is 230893253. The next prime is 230893307. The reversal of 230893299 is 992398032.

It is not a de Polignac number, because 230893299 - 213 = 230885107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230893219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140142 + ... + 141779.

It is an arithmetic number, because the mean of its divisors is an integer number (17103268).

Almost surely, 2230893299 is an apocalyptic number.

230893299 is a deficient number, since it is larger than the sum of its proper divisors (179585133).

230893299 is a wasteful number, since it uses less digits than its factorization.

230893299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281947 (or 281944 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 230893299 is about 15195.1735429379. The cubic root of 230893299 is about 613.4847568063.

The spelling of 230893299 in words is "two hundred thirty million, eight hundred ninety-three thousand, two hundred ninety-nine".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 281921 845763 1973447 2537289 3664973 5920341 10994919 17761023 25654811 32984757 76964433 230893299