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188892002 = 21341792243
BaseRepresentation
bin10110100001001…
…00001101100010
3111011102201010002
423100210031202
5341324021002
630424340002
74452361355
oct1320441542
9434381102
10188892002
11976963a2
1253314602
1330198320
141b13029c
15118b3002
hexb424362

188892002 has 32 divisors (see below), whose sum is σ = 316673280. Its totient is φ = 83940480.

The previous prime is 188891971. The next prime is 188892007. The reversal of 188892002 is 200298881.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (188892007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 83093 + ... + 85335.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2188892002 is an apocalyptic number.

188892002 is a deficient number, since it is larger than the sum of its proper divisors (127781278).

188892002 is a wasteful number, since it uses less digits than its factorization.

188892002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 188892002 is about 13743.7986743113. The cubic root of 188892002 is about 573.7700256758.

The spelling of 188892002 in words is "one hundred eighty-eight million, eight hundred ninety-two thousand, two".

Divisors: 1 2 13 26 41 79 82 158 533 1027 1066 2054 2243 3239 4486 6478 29159 42107 58318 84214 91963 177197 183926 354394 1195519 2303561 2391038 4607122 7265077 14530154 94446001 188892002