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189382734 = 23210521263
BaseRepresentation
bin10110100100111…
…00000001001110
3111012100122021100
423102130001032
5341440221414
630443043530
74456504152
oct1322340116
9435318240
10189382734
11979a1062
12535105a6
133030a7b8
141b21b062
151195d609
hexb49c04e

189382734 has 12 divisors (see below), whose sum is σ = 410329296. Its totient is φ = 63127572.

The previous prime is 189382733. The next prime is 189382741. The reversal of 189382734 is 437283981.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 189382734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189382733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5260614 + ... + 5260649.

It is an arithmetic number, because the mean of its divisors is an integer number (34194108).

Almost surely, 2189382734 is an apocalyptic number.

189382734 is an abundant number, since it is smaller than the sum of its proper divisors (220946562).

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

189382734 is a wasteful number, since it uses less digits than its factorization.

189382734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521271 (or 10521268 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 189382734 is about 13761.6399458785. The cubic root of 189382734 is about 574.2664713131.

The spelling of 189382734 in words is "one hundred eighty-nine million, three hundred eighty-two thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 10521263 21042526 31563789 63127578 94691367 189382734