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30230163 = 3214922543
BaseRepresentation
bin111001101010…
…0011010010011
32002212211222200
41303110122103
530214331123
62555534243
7514644405
oct163243223
962784880
1030230163
1116078407
12a15a383
136355992
14402cb75
1529c2143
hex1cd4693

30230163 has 12 divisors (see below), whose sum is σ = 43960800. Its totient is φ = 20017296.

The previous prime is 30230153. The next prime is 30230183. The reversal of 30230163 is 36103203.

It is a happy number.

30230163 is a `hidden beast` number, since 302 + 301 + 63 = 666.

It is not a de Polignac number, because 30230163 - 28 = 30229907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30230153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9931 + ... + 12612.

It is an arithmetic number, because the mean of its divisors is an integer number (3663400).

Almost surely, 230230163 is an apocalyptic number.

30230163 is a deficient number, since it is larger than the sum of its proper divisors (13730637).

30230163 is a wasteful number, since it uses less digits than its factorization.

30230163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22698 (or 22695 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30230163 is about 5498.1963406193. The cubic root of 30230163 is about 311.5158603280.

Adding to 30230163 its reverse (36103203), we get a palindrome (66333366).

The spelling of 30230163 in words is "thirty million, two hundred thirty thousand, one hundred sixty-three".

Divisors: 1 3 9 149 447 1341 22543 67629 202887 3358907 10076721 30230163