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189834201 = 32163129403
BaseRepresentation
bin10110101000010…
…10001111011001
3111020012120120100
423110022033121
5342044143301
630500450013
74463364324
oct1324121731
9436176510
10189834201
119817a277
12536a9909
133043813b
141b2d77bb
15119ec286
hexb50a3d9

189834201 has 12 divisors (see below), whose sum is σ = 275889328. Its totient is φ = 125778744.

The previous prime is 189834199. The next prime is 189834209. The reversal of 189834201 is 102438981.

189834201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189834201 - 21 = 189834199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189834209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63235 + ... + 66168.

Almost surely, 2189834201 is an apocalyptic number.

It is an amenable number.

189834201 is a deficient number, since it is larger than the sum of its proper divisors (86055127).

189834201 is a wasteful number, since it uses less digits than its factorization.

189834201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129572 (or 129569 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 189834201 is about 13778.0332776489. The cubic root of 189834201 is about 574.7224379344.

The spelling of 189834201 in words is "one hundred eighty-nine million, eight hundred thirty-four thousand, two hundred one".

Divisors: 1 3 9 163 489 1467 129403 388209 1164627 21092689 63278067 189834201