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189350199 = 32172431693
BaseRepresentation
bin10110100100101…
…00000100110111
3111012021222122100
423102110010313
5341433201244
630442233143
74456310253
oct1322240467
9435258570
10189350199
1197979675
12534b57b3
13302c8a4c
141b20d263
1511953b69
hexb494137

189350199 has 36 divisors (see below), whose sum is σ = 297473176. Its totient is φ = 115976448.

The previous prime is 189350179. The next prime is 189350207. The reversal of 189350199 is 991053981.

It is not a de Polignac number, because 189350199 - 25 = 189350167 is a prime.

It is a super-2 number, since 2×1893501992 = 71706995722679202, 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 (189350129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110997 + ... + 112689.

Almost surely, 2189350199 is an apocalyptic number.

189350199 is a deficient number, since it is larger than the sum of its proper divisors (108122977).

189350199 is a wasteful number, since it uses less digits than its factorization.

189350199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 189350199 is about 13760.4578048843. The cubic root of 189350199 is about 574.2335840671.

The spelling of 189350199 in words is "one hundred eighty-nine million, three hundred fifty thousand, one hundred ninety-nine".

Divisors: 1 3 9 17 43 51 129 153 289 387 731 867 1693 2193 2601 5079 6579 12427 15237 28781 37281 72799 86343 111843 218397 259029 489277 655191 1237583 1467831 3712749 4403493 11138247 21038911 63116733 189350199