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230412303 = 33113592161
BaseRepresentation
bin11011011101111…
…01000000001111
3121001120011021000
431232331000033
5432441143203
634510311343
75465320662
oct1556750017
9531504230
10230412303
111090751a0
12651b8553
1338974b54
142285b6d9
15153654a3
hexdbbd00f

230412303 has 32 divisors (see below), whose sum is σ = 373593600. Its totient is φ = 139190400.

The previous prime is 230412257. The next prime is 230412307. The reversal of 230412303 is 303214032.

It is not a de Polignac number, because 230412303 - 26 = 230412239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230412307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105543 + ... + 107703.

It is an arithmetic number, because the mean of its divisors is an integer number (11674800).

Almost surely, 2230412303 is an apocalyptic number.

230412303 is a deficient number, since it is larger than the sum of its proper divisors (143181297).

230412303 is a wasteful number, since it uses less digits than its factorization.

230412303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540 (or 2534 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230412303 is about 15179.3380290446. The cubic root of 230412303 is about 613.0584576476.

Adding to 230412303 its reverse (303214032), we get a palindrome (533626335).

It can be divided in two parts, 230412 and 303, that multiplied together give a triangular number (69814836 = T11816).

The spelling of 230412303 in words is "two hundred thirty million, four hundred twelve thousand, three hundred three".

Divisors: 1 3 9 11 27 33 99 297 359 1077 2161 3231 3949 6483 9693 11847 19449 23771 35541 58347 71313 106623 213939 641817 775799 2327397 6982191 8533789 20946573 25601367 76804101 230412303