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30132304 = 242697001
BaseRepresentation
bin111001011110…
…0100001010000
32002200212202021
41302330201100
530203213204
62553501224
7514056166
oct162744120
962625667
1030132304
1116010934
12a111814
136320287
144005236
1529a3154
hex1cbc850

30132304 has 20 divisors (see below), whose sum is σ = 58606740. Its totient is φ = 15008000.

The previous prime is 30132269. The next prime is 30132359. The reversal of 30132304 is 40323103.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 23619600 = 2552^2 + 4860^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (2930337).

Almost surely, 230132304 is an apocalyptic number.

It is an amenable number.

30132304 is a deficient number, since it is larger than the sum of its proper divisors (28474436).

30132304 is a wasteful number, since it uses less digits than its factorization.

30132304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278 (or 7272 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30132304 is about 5489.2899358660. The cubic root of 30132304 is about 311.1793577416.

Adding to 30132304 its reverse (40323103), we get a palindrome (70455407).

The spelling of 30132304 in words is "thirty million, one hundred thirty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 269 538 1076 2152 4304 7001 14002 28004 56008 112016 1883269 3766538 7533076 15066152 30132304