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30304132 = 2217445649
BaseRepresentation
bin111001110011…
…0011110000100
32010000121110021
41303212132010
530224213012
63001304524
7515403145
oct163463604
963017407
1030304132
1116118a41
12a195144
136380551
14404bacc
1529d9007
hex1ce6784

30304132 has 12 divisors (see below), whose sum is σ = 56151900. Its totient is φ = 14260736.

The previous prime is 30304123. The next prime is 30304171. The reversal of 30304132 is 23140303.

It can be written as a sum of positive squares in 2 ways, for example, as 21399876 + 8904256 = 4626^2 + 2984^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 222757 + ... + 222892.

It is an arithmetic number, because the mean of its divisors is an integer number (4679325).

Almost surely, 230304132 is an apocalyptic number.

It is an amenable number.

30304132 is a deficient number, since it is larger than the sum of its proper divisors (25847768).

30304132 is a wasteful number, since it uses less digits than its factorization.

30304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445670 (or 445668 counting only the distinct ones).

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

The square root of 30304132 is about 5504.9188913189. The cubic root of 30304132 is about 311.7697320238.

Adding to 30304132 its reverse (23140303), we get a palindrome (53444435).

The spelling of 30304132 in words is "thirty million, three hundred four thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 445649 891298 1782596 7576033 15152066 30304132