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189514902 = 2331585817
BaseRepresentation
bin10110100101111…
…00010010010110
3111012121100120110
423102330102112
5342003434102
630445543450
74460564403
oct1322742226
9435540513
10189514902
1197a81395
1253574b86
13303559c5
141b2532aa
151198786c
hexb4bc496

189514902 has 8 divisors (see below), whose sum is σ = 379029816. Its totient is φ = 63171632.

The previous prime is 189514901. The next prime is 189514937. The reversal of 189514902 is 209415981.

189514902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

189514902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189514901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15792903 + ... + 15792914.

It is an arithmetic number, because the mean of its divisors is an integer number (47378727).

Almost surely, 2189514902 is an apocalyptic number.

189514902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189514902 is a wasteful number, since it uses less digits than its factorization.

189514902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31585822.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 189514902 is about 13766.4411523095. The cubic root of 189514902 is about 574.4000315375.

The spelling of 189514902 in words is "one hundred eighty-nine million, five hundred fourteen thousand, nine hundred two".

Divisors: 1 2 3 6 31585817 63171634 94757451 189514902