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30666008 = 2312293119
BaseRepresentation
bin111010011111…
…0110100011000
32010200222212002
41310332310120
530322303013
63013140132
7521441162
oct164766430
963628762
1030666008
111634590a
12a32a648
136479189
144103932
152a5b358
hex1d3ed18

30666008 has 16 divisors (see below), whose sum is σ = 57564000. Its totient is φ = 15315616.

The previous prime is 30666001. The next prime is 30666023. The reversal of 30666008 is 80066603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8273 + ... + 11391.

It is an arithmetic number, because the mean of its divisors is an integer number (3597750).

Almost surely, 230666008 is an apocalyptic number.

It is an amenable number.

30666008 is a deficient number, since it is larger than the sum of its proper divisors (26897992).

30666008 is a wasteful number, since it uses less digits than its factorization.

30666008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 30666008 is about 5537.6897710146. The cubic root of 30666008 is about 313.0058214611.

The spelling of 30666008 in words is "thirty million, six hundred sixty-six thousand, eight".

Divisors: 1 2 4 8 1229 2458 3119 4916 6238 9832 12476 24952 3833251 7666502 15333004 30666008