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189004092 = 22343366287
BaseRepresentation
bin10110100001111…
…11100100111100
3111011122101212120
423100333210330
5341341112332
630431002540
74453336224
oct1320774474
9434571776
10189004092
1197762632
1253369450
1330207354
141b15d084
15118d632c
hexb43f93c

189004092 has 24 divisors (see below), whose sum is σ = 451266816. Its totient is φ = 61536048.

The previous prime is 189004069. The next prime is 189004093. The reversal of 189004092 is 290400981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189004093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182628 + ... + 183659.

It is an arithmetic number, because the mean of its divisors is an integer number (18802784).

Almost surely, 2189004092 is an apocalyptic number.

189004092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189004092 is an abundant number, since it is smaller than the sum of its proper divisors (262262724).

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

189004092 is a wasteful number, since it uses less digits than its factorization.

189004092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366337 (or 366335 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 189004092 is about 13747.8759086631. The cubic root of 189004092 is about 573.8834964497.

The spelling of 189004092 in words is "one hundred eighty-nine million, four thousand, ninety-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 366287 732574 1098861 1465148 2197722 4395444 15750341 31500682 47251023 63001364 94502046 189004092