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230231235 = 3513290821
BaseRepresentation
bin11011011100100…
…00110011000011
3121001012221212210
431232100303003
5432414344420
634502353203
75463635043
oct1556206303
9531187783
10230231235
11108a61153
126512b803
1338910600
1422811723
151532b9e0
hexdb90cc3

230231235 has 24 divisors (see below), whose sum is σ = 398890224. Its totient is φ = 113343360.

The previous prime is 230231233. The next prime is 230231251. The reversal of 230231235 is 532132032.

230231235 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 230231235 - 21 = 230231233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230231233) 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, 42876 + ... + 47945.

It is an arithmetic number, because the mean of its divisors is an integer number (16620426).

Almost surely, 2230231235 is an apocalyptic number.

230231235 is a deficient number, since it is larger than the sum of its proper divisors (168658989).

230231235 is a wasteful number, since it uses less digits than its factorization.

230231235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90855 (or 90842 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 230231235 is about 15173.3725651221. The cubic root of 230231235 is about 612.8978262380.

Adding to 230231235 its reverse (532132032), we get a palindrome (762363267).

The spelling of 230231235 in words is "two hundred thirty million, two hundred thirty-one thousand, two hundred thirty-five".

Divisors: 1 3 5 13 15 39 65 169 195 507 845 2535 90821 272463 454105 1180673 1362315 3542019 5903365 15348749 17710095 46046247 76743745 230231235