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189593199 = 3221065911
BaseRepresentation
bin10110100110011…
…11011001101111
3111012202022222100
423103033121233
5342013440244
630451350143
74461341565
oct1323173157
9435668870
10189593199
11980251a4
12535b2353
1330382533
141b273a35
15119a0b69
hexb4cf66f

189593199 has 6 divisors (see below), whose sum is σ = 273856856. Its totient is φ = 126395460.

The previous prime is 189593189. The next prime is 189593207. The reversal of 189593199 is 991395981.

It is not a de Polignac number, because 189593199 - 28 = 189592943 is a prime.

It is a super-2 number, since 2×1895931992 = 71891162214107202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189593119) 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, 10532947 + ... + 10532964.

Almost surely, 2189593199 is an apocalyptic number.

189593199 is a deficient number, since it is larger than the sum of its proper divisors (84263657).

189593199 is a wasteful number, since it uses less digits than its factorization.

189593199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21065917 (or 21065914 counting only the distinct ones).

The product of its digits is 787320, while the sum is 54.

The square root of 189593199 is about 13769.2846219402. The cubic root of 189593199 is about 574.4791240111.

The spelling of 189593199 in words is "one hundred eighty-nine million, five hundred ninety-three thousand, one hundred ninety-nine".

Divisors: 1 3 9 21065911 63197733 189593199