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30866016 = 2531718913
BaseRepresentation
bin111010110111…
…1101001100000
32011002011012210
41311233221200
530400203031
63021322120
7523233246
oct165575140
964064183
1030866016
1116472105
12a406340
13651921c
144156796
152a9a746
hex1d6fa60

30866016 has 48 divisors (see below), whose sum is σ = 85793904. Its totient is φ = 9682944.

The previous prime is 30866009. The next prime is 30866021. The reversal of 30866016 is 61066803.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7825 + ... + 11088.

It is an arithmetic number, because the mean of its divisors is an integer number (1787373).

Almost surely, 230866016 is an apocalyptic number.

It is an amenable number.

30866016 is an abundant number, since it is smaller than the sum of its proper divisors (54927888).

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

30866016 is a wasteful number, since it uses less digits than its factorization.

30866016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18943 (or 18935 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30866016 is about 5555.7192153672. The cubic root of 30866016 is about 313.6848366546.

The spelling of 30866016 in words is "thirty million, eight hundred sixty-six thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 18913 37826 56739 75652 113478 151304 226956 302608 321521 453912 605216 643042 907824 964563 1286084 1815648 1929126 2572168 3858252 5144336 7716504 10288672 15433008 30866016