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230284430 = 25313773
BaseRepresentation
bin11011011100111…
…01110010001110
3121001022122211222
431232131302032
5432423100210
634503443342
75464246115
oct1556356216
9531278758
10230284430
11108a98112
1265156552
133892b89c
1422826c7c
151533c655
hexdb9dc8e

230284430 has 32 divisors (see below), whose sum is σ = 428882688. Its totient is φ = 89027040.

The previous prime is 230284423. The next prime is 230284433. The reversal of 230284430 is 34482032.

It is a self number, because there is not a number n which added to its sum of digits gives 230284430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230284433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297524 + ... + 298296.

It is an arithmetic number, because the mean of its divisors is an integer number (13402584).

Almost surely, 2230284430 is an apocalyptic number.

230284430 is a deficient number, since it is larger than the sum of its proper divisors (198598258).

230284430 is an frugal number, since it uses more digits than its factorization.

230284430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 230284430 is about 15175.1253701576. The cubic root of 230284430 is about 612.9450260155.

The spelling of 230284430 in words is "two hundred thirty million, two hundred eighty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 773 961 1546 1922 3865 4805 7730 9610 23963 29791 47926 59582 119815 148955 239630 297910 742853 1485706 3714265 7428530 23028443 46056886 115142215 230284430