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3806223 = 31268741
BaseRepresentation
bin1110100001010000001111
321011101011020
432201100033
51433244343
6213325223
744231601
oct16412017
97141136
103806223
11216a743
121336813
13a33605
14711171
15502b83
hex3a140f

3806223 has 4 divisors (see below), whose sum is σ = 5074968. Its totient is φ = 2537480.

The previous prime is 3806207. The next prime is 3806233. The reversal of 3806223 is 3226083.

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 3806223 - 24 = 3806207 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3806193 and 3806202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806233) 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, 634368 + ... + 634373.

It is an arithmetic number, because the mean of its divisors is an integer number (1268742).

Almost surely, 23806223 is an apocalyptic number.

3806223 is a deficient number, since it is larger than the sum of its proper divisors (1268745).

3806223 is a wasteful number, since it uses less digits than its factorization.

3806223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268744.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3806223 is about 1950.9543818347. The cubic root of 3806223 is about 156.1342122443.

The spelling of 3806223 in words is "three million, eight hundred six thousand, two hundred twenty-three".

Divisors: 1 3 1268741 3806223