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30238166 = 2710871987
BaseRepresentation
bin111001101011…
…0010111010110
32002220020222002
41303112113112
530220110131
63000035302
7515006630
oct163262726
962806862
1030238166
1116083422
12a162b32
13635950a
144031a50
1529c46cb
hex1cd65d6

30238166 has 16 divisors (see below), whose sum is σ = 51910656. Its totient is φ = 12940776.

The previous prime is 30238157. The next prime is 30238181. The reversal of 30238166 is 66183203.

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, 14225 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (3244416).

Almost surely, 230238166 is an apocalyptic number.

30238166 is a deficient number, since it is larger than the sum of its proper divisors (21672490).

30238166 is a wasteful number, since it uses less digits than its factorization.

30238166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083.

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

The square root of 30238166 is about 5498.9240765808. The cubic root of 30238166 is about 311.5433476807.

The spelling of 30238166 in words is "thirty million, two hundred thirty-eight thousand, one hundred sixty-six".

Divisors: 1 2 7 14 1087 1987 2174 3974 7609 13909 15218 27818 2159869 4319738 15119083 30238166