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230389575 = 35213236297
BaseRepresentation
bin11011011101101…
…11011101000111
3121001112000002020
431232313131013
5432434431300
634510014223
75465164503
oct1556673507
9531460066
10230389575
1110905a109
12651a7373
13389676c0
1422853303
151535d8a0
hexdbb7747

230389575 has 24 divisors (see below), whose sum is σ = 410213328. Its totient is φ = 113422080.

The previous prime is 230389553. The next prime is 230389603. The reversal of 230389575 is 575983032.

It is not a de Polignac number, because 230389575 - 28 = 230389319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117174 + ... + 119123.

It is an arithmetic number, because the mean of its divisors is an integer number (17092222).

Almost surely, 2230389575 is an apocalyptic number.

230389575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230389575 is a deficient number, since it is larger than the sum of its proper divisors (179823753).

230389575 is a wasteful number, since it uses less digits than its factorization.

230389575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236323 (or 236318 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 230389575 is about 15178.5893613339. The cubic root of 230389575 is about 613.0382995071.

The spelling of 230389575 in words is "two hundred thirty million, three hundred eighty-nine thousand, five hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 236297 708891 1181485 3071861 3544455 5907425 9215583 15359305 17722275 46077915 76796525 230389575