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6223 = 72127
BaseRepresentation
bin1100001001111
322112111
41201033
5144343
644451
724100
oct14117
98474
106223
114748
123727
132aa9
1423a7
151c9d
hex184f

6223 has 6 divisors (see below), whose sum is σ = 7296. Its totient is φ = 5292.

The previous prime is 6221. The next prime is 6229. The reversal of 6223 is 3226.

It is not a de Polignac number, because 6223 - 21 = 6221 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 (6221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15 + ... + 112.

It is an arithmetic number, because the mean of its divisors is an integer number (1216).

26223 is an apocalyptic number.

6223 is a deficient number, since it is larger than the sum of its proper divisors (1073).

6223 is a wasteful number, since it uses less digits than its factorization.

6223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 134 counting only the distinct ones).

The product of its digits is 72, while the sum is 13.

The square root of 6223 is about 78.8859936871. The cubic root of 6223 is about 18.3935941784.

Adding to 6223 its reverse (3226), we get a palindrome (9449).

It can be divided in two parts, 622 and 3, that added together give a 4-th power (625 = 54).

The spelling of 6223 in words is "six thousand, two hundred twenty-three".

Divisors: 1 7 49 127 889 6223