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30348712 = 234388223
BaseRepresentation
bin111001111000…
…1010110101000
32010002212121101
41303301112220
530232124322
63002251144
7515650132
oct163612650
963085541
1030348712
1116149489
12a1b6ab4
136397924
144060052
1529e7327
hex1cf15a8

30348712 has 16 divisors (see below), whose sum is σ = 58227840. Its totient is φ = 14821296.

The previous prime is 30348709. The next prime is 30348713. The reversal of 30348712 is 21784303.

It is not an unprimeable number, because it can be changed into a prime (30348713) 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 3 ways as a sum of consecutive naturals, for example, 43768 + ... + 44455.

It is an arithmetic number, because the mean of its divisors is an integer number (3639240).

Almost surely, 230348712 is an apocalyptic number.

It is an amenable number.

30348712 is a deficient number, since it is larger than the sum of its proper divisors (27879128).

30348712 is a wasteful number, since it uses less digits than its factorization.

30348712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88272 (or 88268 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30348712 is about 5508.9665092465. The cubic root of 30348712 is about 311.9225372014.

The spelling of 30348712 in words is "thirty million, three hundred forty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 43 86 172 344 88223 176446 352892 705784 3793589 7587178 15174356 30348712