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189522 = 23210529
BaseRepresentation
bin101110010001010010
3100121222100
4232101102
522031042
64021230
71416354
oct562122
9317870
10189522
1111a433
1291816
1368358
144d0d4
153b24c
hex2e452

189522 has 12 divisors (see below), whose sum is σ = 410670. Its totient is φ = 63168.

The previous prime is 189517. The next prime is 189523. The reversal of 189522 is 225981.

189522 is nontrivially palindromic in base 14.

189522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136161 + 53361 = 369^2 + 231^2 .

It is a congruent number.

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

189522 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 5 ways as a sum of consecutive naturals, for example, 5247 + ... + 5282.

2189522 is an apocalyptic number.

189522 is an abundant number, since it is smaller than the sum of its proper divisors (221148).

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

189522 is a wasteful number, since it uses less digits than its factorization.

189522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10537 (or 10534 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 189522 is about 435.3412454615. The cubic root of 189522 is about 57.4407202549.

It can be divided in two parts, 18 and 9522, that multiplied together give a square (171396 = 4142).

The spelling of 189522 in words is "one hundred eighty-nine thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 10529 21058 31587 63174 94761 189522