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18844196 = 2271514457
BaseRepresentation
bin100011111100…
…0101000100100
31022110101101012
41013320220210
514311003241
61511521352
7316113230
oct107705044
938411335
1018844196
11a700a18
126389258
133b9a317
1427075c0
1519c36eb
hex11f8a24

18844196 has 24 divisors (see below), whose sum is σ = 37946496. Its totient is φ = 8020800.

The previous prime is 18844183. The next prime is 18844201. The reversal of 18844196 is 69144881.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2000 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (1581104).

Almost surely, 218844196 is an apocalyptic number.

It is an amenable number.

18844196 is an abundant number, since it is smaller than the sum of its proper divisors (19102300).

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

18844196 is a wasteful number, since it uses less digits than its factorization.

18844196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4617 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 18844196 is about 4340.9902096181. The cubic root of 18844196 is about 266.1087802018.

The spelling of 18844196 in words is "eighteen million, eight hundred forty-four thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 151 302 604 1057 2114 4228 4457 8914 17828 31199 62398 124796 673007 1346014 2692028 4711049 9422098 18844196