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30164448 = 253314213
BaseRepresentation
bin111001100010…
…0010111100000
32002202111211210
41303010113200
530210230243
62554310120
7514251666
oct163042740
962674753
1030164448
1116032aa6
12a128340
136331ab2
144012c36
1529ac933
hex1cc45e0

30164448 has 24 divisors (see below), whose sum is σ = 79181928. Its totient is φ = 10054784.

The previous prime is 30164447. The next prime is 30164461. The reversal of 30164448 is 84446103.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30164447) by changing a digit.

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, 157011 + ... + 157202.

It is an arithmetic number, because the mean of its divisors is an integer number (3299247).

Almost surely, 230164448 is an apocalyptic number.

It is an amenable number.

30164448 is an abundant number, since it is smaller than the sum of its proper divisors (49017480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30164448 is a wasteful number, since it uses less digits than its factorization.

30164448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314226 (or 314218 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 30164448 is about 5492.2170386830. The cubic root of 30164448 is about 311.2899698674.

The spelling of 30164448 in words is "thirty million, one hundred sixty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 314213 628426 942639 1256852 1885278 2513704 3770556 5027408 7541112 10054816 15082224 30164448