Search a number
-
+
190223 = 1117293
BaseRepresentation
bin101110011100001111
3100122221022
4232130033
522041343
64024355
71421405
oct563417
9318838
10190223
1111aa10
12920bb
1368777
144d475
153b568
hex2e70f

190223 has 4 divisors (see below), whose sum is σ = 207528. Its totient is φ = 172920.

The previous prime is 190207. The next prime is 190243. The reversal of 190223 is 322091.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 190223 - 24 = 190207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8636 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (51882).

2190223 is an apocalyptic number.

190223 is a deficient number, since it is larger than the sum of its proper divisors (17305).

190223 is a wasteful number, since it uses less digits than its factorization.

190223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 190223 is about 436.1456178847. The cubic root of 190223 is about 57.5114532951.

The spelling of 190223 in words is "one hundred ninety thousand, two hundred twenty-three".

Divisors: 1 11 17293 190223