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189284 = 2279599
BaseRepresentation
bin101110001101100100
3100121122112
4232031210
522024114
64020152
71415564
oct561544
9317575
10189284
1111a237
1291658
1368204
144cda4
153b13e
hex2e364

189284 has 12 divisors (see below), whose sum is σ = 336000. Its totient is φ = 93288.

The previous prime is 189271. The next prime is 189307. The reversal of 189284 is 482981.

It is a happy number.

189284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189284.

It is a congruent number.

It is an unprimeable number.

189284 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (28000).

2189284 is an apocalyptic number.

It is an amenable number.

189284 is a deficient number, since it is larger than the sum of its proper divisors (146716).

189284 is a wasteful number, since it uses less digits than its factorization.

189284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 189284 is about 435.0678108065. The cubic root of 189284 is about 57.4166656719.

The spelling of 189284 in words is "one hundred eighty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 79 158 316 599 1198 2396 47321 94642 189284