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30329912 = 2313272857
BaseRepresentation
bin111001110110…
…0110000111000
32010001220211002
41303230300320
530231024122
63002024132
7515541254
oct163546070
963056732
1030329912
1116136348
12a1a8048
13638c1c2
144057264
1529e1992
hex1cecc38

30329912 has 16 divisors (see below), whose sum is σ = 56931360. Its totient is φ = 15148224.

The previous prime is 30329903. The next prime is 30329927. The reversal of 30329912 is 21992303.

It is a congruent number.

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, 9188 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (3558210).

Almost surely, 230329912 is an apocalyptic number.

It is an amenable number.

30329912 is a deficient number, since it is larger than the sum of its proper divisors (26601448).

30329912 is a wasteful number, since it uses less digits than its factorization.

30329912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 30329912 is about 5507.2599357575. The cubic root of 30329912 is about 311.8581154121.

The spelling of 30329912 in words is "thirty million, three hundred twenty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 1327 2654 2857 5308 5714 10616 11428 22856 3791239 7582478 15164956 30329912