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189244 = 221121723
BaseRepresentation
bin101110001100111100
3100121121001
4232030330
522023434
64020044
71415506
oct561474
9317531
10189244
1111a200
1291624
13681a3
144cd76
153b114
hex2e33c

189244 has 36 divisors (see below), whose sum is σ = 402192. Its totient is φ = 77440.

The previous prime is 189239. The next prime is 189251. The reversal of 189244 is 442981.

189244 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8217 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (11172).

2189244 is an apocalyptic number.

It is an amenable number.

189244 is an abundant number, since it is smaller than the sum of its proper divisors (212948).

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

189244 is a wasteful number, since it uses less digits than its factorization.

189244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 53 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 189244 is about 435.0218385323. The cubic root of 189244 is about 57.4126209060.

It can be divided in two parts, 1892 and 44, that added together give a square (1936 = 442).

The spelling of 189244 in words is "one hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 4 11 17 22 23 34 44 46 68 92 121 187 242 253 374 391 484 506 748 782 1012 1564 2057 2783 4114 4301 5566 8228 8602 11132 17204 47311 94622 189244