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188956104 = 23343277661
BaseRepresentation
bin10110100001100…
…11110111001000
3111011112222001020
423100303313020
5341333043404
630425552440
74453046301
oct1320636710
9434488036
10188956104
119772a577
1253345720
13301bb55c
141b1497a8
15118c6ed9
hexb433dc8

188956104 has 64 divisors (see below), whose sum is σ = 485855040. Its totient is φ = 61205760.

The previous prime is 188956093. The next prime is 188956111. The reversal of 188956104 is 401659881.

188956104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285534 + ... + 286194.

It is an arithmetic number, because the mean of its divisors is an integer number (7591485).

Almost surely, 2188956104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188956104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242927520).

188956104 is an abundant number, since it is smaller than the sum of its proper divisors (296898936).

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

188956104 is a wasteful number, since it uses less digits than its factorization.

188956104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 188956104 is about 13746.1305100745. The cubic root of 188956104 is about 573.8349228059.

The spelling of 188956104 in words is "one hundred eighty-eight million, nine hundred fifty-six thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 277 344 516 554 661 831 1032 1108 1322 1662 1983 2216 2644 3324 3966 5288 6648 7932 11911 15864 23822 28423 35733 47644 56846 71466 85269 95288 113692 142932 170538 183097 227384 285864 341076 366194 549291 682152 732388 1098582 1464776 2197164 4394328 7873171 15746342 23619513 31492684 47239026 62985368 94478052 188956104