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30334918 = 2109227613
BaseRepresentation
bin111001110110…
…1111111000110
32010002011200111
41303231333012
530231204133
63002103234
7515561665
oct163557706
963064614
1030334918
111613a089
12a1aab1a
136391573
144058ddc
1529e31cd
hex1cedfc6

30334918 has 16 divisors (see below), whose sum is σ = 46197360. Its totient is φ = 14937696.

The previous prime is 30334901. The next prime is 30334933. The reversal of 30334918 is 81943303.

It is a self number, because there is not a number n which added to its sum of digits gives 30334918.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49180 + ... + 49792.

It is an arithmetic number, because the mean of its divisors is an integer number (2887335).

Almost surely, 230334918 is an apocalyptic number.

30334918 is a deficient number, since it is larger than the sum of its proper divisors (15862442).

30334918 is a wasteful number, since it uses less digits than its factorization.

30334918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30334918 is about 5507.7144079918. The cubic root of 30334918 is about 311.8752720268.

The spelling of 30334918 in words is "thirty million, three hundred thirty-four thousand, nine hundred eighteen".

Divisors: 1 2 109 218 227 454 613 1226 24743 49486 66817 133634 139151 278302 15167459 30334918