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189000429 = 3195715807
BaseRepresentation
bin10110100001111…
…10101011101101
3111011122012211220
423100332223231
5341341003204
630430533553
74453322442
oct1320765355
9434565756
10189000429
119775a902
12533672b9
1330205797
141b15b9c9
15118d51d9
hexb43eaed

189000429 has 16 divisors (see below), whose sum is σ = 265774080. Its totient is φ = 119139120.

The previous prime is 189000401. The next prime is 189000433. The reversal of 189000429 is 924000981.

It is not a de Polignac number, because 189000429 - 29 = 188999917 is a prime.

189000429 is a modest number, since divided by 429 gives 189 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 189000429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29644 + ... + 35450.

It is an arithmetic number, because the mean of its divisors is an integer number (16610880).

Almost surely, 2189000429 is an apocalyptic number.

189000429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

189000429 is a deficient number, since it is larger than the sum of its proper divisors (76773651).

189000429 is a wasteful number, since it uses less digits than its factorization.

189000429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 189000429 is about 13747.7426874378. The cubic root of 189000429 is about 573.8797890364.

The spelling of 189000429 in words is "one hundred eighty-nine million, four hundred twenty-nine", and thus it is an aban number.

Divisors: 1 3 19 57 571 1713 5807 10849 17421 32547 110333 330999 3315797 9947391 63000143 189000429