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20166230 = 257288089
BaseRepresentation
bin100110011101…
…1011001010110
31101221112212102
41030323121112
520130304410
62000122102
7333260450
oct114733126
941845772
1020166230
1110424207
126906332
134240ca6
14296d2d0
151b852a5
hex133b656

20166230 has 16 divisors (see below), whose sum is σ = 41484960. Its totient is φ = 6914112.

The previous prime is 20166229. The next prime is 20166241. The reversal of 20166230 is 3266102.

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, 143975 + ... + 144114.

It is an arithmetic number, because the mean of its divisors is an integer number (2592810).

Almost surely, 220166230 is an apocalyptic number.

20166230 is an abundant number, since it is smaller than the sum of its proper divisors (21318730).

20166230 is a wasteful number, since it uses less digits than its factorization.

20166230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288103.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20166230 is about 4490.6825761793. The cubic root of 20166230 is about 272.1917171303.

The spelling of 20166230 in words is "twenty million, one hundred sixty-six thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 288089 576178 1440445 2016623 2880890 4033246 10083115 20166230