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8194223 = 19941177
BaseRepresentation
bin11111010000100010101111
3120102022100202
4133100202233
54044203343
6451344115
7126435602
oct37204257
916368322
108194223
114697494
1228b203b
13190b96b
141134339
15abcdb8
hex7d08af

8194223 has 4 divisors (see below), whose sum is σ = 8235600. Its totient is φ = 8152848.

The previous prime is 8194217. The next prime is 8194229. The reversal of 8194223 is 3224918.

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

It is an interprime number because it is at equal distance from previous prime (8194217) and next prime (8194229).

It is a cyclic number.

It is not a de Polignac number, because 8194223 - 26 = 8194159 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 (8194229) 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 3 ways as a sum of consecutive naturals, for example, 20390 + ... + 20787.

It is an arithmetic number, because the mean of its divisors is an integer number (2058900).

Almost surely, 28194223 is an apocalyptic number.

8194223 is a deficient number, since it is larger than the sum of its proper divisors (41377).

8194223 is a wasteful number, since it uses less digits than its factorization.

8194223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41376.

The product of its digits is 3456, while the sum is 29.

The square root of 8194223 is about 2862.5553269762. Note that the first 3 decimals coincide. The cubic root of 8194223 is about 201.6056007383.

The spelling of 8194223 in words is "eight million, one hundred ninety-four thousand, two hundred twenty-three".

Divisors: 1 199 41177 8194223