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30230403 = 3721712097
BaseRepresentation
bin111001101010…
…0011110000011
32002212212022120
41303110132003
530214333103
62555535323
7514645200
oct163243603
962785276
1030230403
1116078605
12a15a543
136355b18
14402cca7
1529c2253
hex1cd4783

30230403 has 24 divisors (see below), whose sum is σ = 49650192. Its totient is φ = 16257024.

The previous prime is 30230399. The next prime is 30230413. The reversal of 30230403 is 30403203.

It is not a de Polignac number, because 30230403 - 22 = 30230399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30230413) 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 23 ways as a sum of consecutive naturals, for example, 3550 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (2068758).

Almost surely, 230230403 is an apocalyptic number.

30230403 is a deficient number, since it is larger than the sum of its proper divisors (19419789).

30230403 is a wasteful number, since it uses less digits than its factorization.

30230403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131 (or 12124 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30230403 is about 5498.2181659152. The cubic root of 30230403 is about 311.5166847100.

Adding to 30230403 its reverse (30403203), we get a palindrome (60633606).

The spelling of 30230403 in words is "thirty million, two hundred thirty thousand, four hundred three".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 12097 36291 84679 205649 254037 592753 616947 1439543 1778259 4318629 10076801 30230403