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189528 = 23353149
BaseRepresentation
bin101110010001011000
3100121222120
4232101120
522031103
64021240
71416363
oct562130
9317876
10189528
1111a439
1291820
1368361
144d0da
153b253
hex2e458

189528 has 32 divisors (see below), whose sum is σ = 486000. Its totient is φ = 61568.

The previous prime is 189523. The next prime is 189529. The reversal of 189528 is 825981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189523) by changing a digit.

189528 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 7 ways as a sum of consecutive naturals, for example, 1198 + ... + 1346.

2189528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243000).

189528 is an abundant number, since it is smaller than the sum of its proper divisors (296472).

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

189528 is a wasteful number, since it uses less digits than its factorization.

189528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 207 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 189528 is about 435.3481365528. The cubic root of 189528 is about 57.4413264126.

It can be divided in two parts, 189 and 528, that added together give a palindrome (717).

The spelling of 189528 in words is "one hundred eighty-nine thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 53 106 149 159 212 298 318 424 447 596 636 894 1192 1272 1788 3576 7897 15794 23691 31588 47382 63176 94764 189528