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4085223 = 31361741
BaseRepresentation
bin1111100101010111100111
321200112212120
433211113213
52021211343
6223321023
746503162
oct17452747
97615776
104085223
11234031a
121450173
13b005bc
14784ad9
1555a683
hex3e55e7

4085223 has 4 divisors (see below), whose sum is σ = 5446968. Its totient is φ = 2723480.

The previous prime is 4085183. The next prime is 4085239. The reversal of 4085223 is 3225804.

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 4085223 - 214 = 4068839 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4085193 and 4085202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680868 + ... + 680873.

It is an arithmetic number, because the mean of its divisors is an integer number (1361742).

Almost surely, 24085223 is an apocalyptic number.

4085223 is a deficient number, since it is larger than the sum of its proper divisors (1361745).

4085223 is a wasteful number, since it uses less digits than its factorization.

4085223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361744.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4085223 is about 2021.1934593205. The cubic root of 4085223 is about 159.8595512286.

The spelling of 4085223 in words is "four million, eighty-five thousand, two hundred twenty-three".

Divisors: 1 3 1361741 4085223