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894223 = 1181293
BaseRepresentation
bin11011010010100001111
31200102122101
43122110033
5212103343
631055531
710413031
oct3322417
91612571
10894223
11560930
123715a7
13254035
14193c51
15129e4d
hexda50f

894223 has 4 divisors (see below), whose sum is σ = 975528. Its totient is φ = 812920.

The previous prime is 894221. The next prime is 894227. The reversal of 894223 is 322498.

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

It is a cyclic number.

It is not a de Polignac number, because 894223 - 21 = 894221 is a prime.

It is a Duffinian number.

894223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 894191 and 894200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894221) 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, 40636 + ... + 40657.

It is an arithmetic number, because the mean of its divisors is an integer number (243882).

2894223 is an apocalyptic number.

894223 is a deficient number, since it is larger than the sum of its proper divisors (81305).

894223 is a wasteful number, since it uses less digits than its factorization.

894223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81304.

The product of its digits is 3456, while the sum is 28.

The square root of 894223 is about 945.6336499935. The cubic root of 894223 is about 96.3419159057.

The spelling of 894223 in words is "eight hundred ninety-four thousand, two hundred twenty-three".

Divisors: 1 11 81293 894223