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609223 = 3591697
BaseRepresentation
bin10010100101111000111
31010221200211
42110233013
5123443343
621020251
75115106
oct2245707
91127624
10609223
1138679a
12254687
131843b4
1411c03d
15c079d
hex94bc7

609223 has 4 divisors (see below), whose sum is σ = 611280. Its totient is φ = 607168.

The previous prime is 609221. The next prime is 609227. The reversal of 609223 is 322906.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322906 = 2161453.

It is a cyclic number.

It is not a de Polignac number, because 609223 - 21 = 609221 is a prime.

It is a Duffinian number.

609223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 609194 and 609203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609221) 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, 490 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (152820).

2609223 is an apocalyptic number.

609223 is a deficient number, since it is larger than the sum of its proper divisors (2057).

609223 is a wasteful number, since it uses less digits than its factorization.

609223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 609223 is about 780.5273858104. The cubic root of 609223 is about 84.7732364069.

The spelling of 609223 in words is "six hundred nine thousand, two hundred twenty-three".

Divisors: 1 359 1697 609223