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189134202 = 23711133929
BaseRepresentation
bin10110100010111…
…11010101111010
3111011220000100110
423101133111322
5341404243302
630433445150
74454420445
oct1321372572
9434800313
10189134202
1197841364
12534107b6
133025163a
141b19465c
151190eb6c
hexb45f57a

189134202 has 32 divisors (see below), whose sum is σ = 387089280. Its totient is φ = 61591040.

The previous prime is 189134171. The next prime is 189134203. The reversal of 189134202 is 202431981.

It is a self number, because there is not a number n which added to its sum of digits gives 189134202.

It is not an unprimeable number, because it can be changed into a prime (189134203) 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, 46174 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (12096540).

Almost surely, 2189134202 is an apocalyptic number.

189134202 is an abundant number, since it is smaller than the sum of its proper divisors (197955078).

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

189134202 is a wasteful number, since it uses less digits than its factorization.

189134202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 189134202 is about 13752.6070982923. The cubic root of 189134202 is about 574.0151529546.

The spelling of 189134202 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, two hundred two".

Divisors: 1 2 3 6 71 113 142 213 226 339 426 678 3929 7858 8023 11787 16046 23574 24069 48138 278959 443977 557918 836877 887954 1331931 1673754 2663862 31522367 63044734 94567101 189134202