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194223 = 3101641
BaseRepresentation
bin101111011010101111
3100212102110
4233122233
522203343
64055103
71436151
oct573257
9325373
10194223
11122a17
1294493
136a533
1450ad1
153c833
hex2f6af

194223 has 8 divisors (see below), whose sum is σ = 261936. Its totient is φ = 128000.

The previous prime is 194203. The next prime is 194239. The reversal of 194223 is 322491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194223 - 214 = 177839 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 95 + 2 + 46 + 217 + 3 .

It is a self number, because there is not a number n which added to its sum of digits gives 194223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (32742).

2194223 is an apocalyptic number.

194223 is a deficient number, since it is larger than the sum of its proper divisors (67713).

194223 is a wasteful number, since it uses less digits than its factorization.

194223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 432, while the sum is 21.

The square root of 194223 is about 440.7073859150. The cubic root of 194223 is about 57.9117762952.

The spelling of 194223 in words is "one hundred ninety-four thousand, two hundred twenty-three".

Divisors: 1 3 101 303 641 1923 64741 194223