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BaseRepresentation
bin1101101110011111
32212010100
431232133
53244343
61112143
7322626
oct155637
985110
1056223
1139272
1228653
131c78b
14166bd
15119d3
hexdb9f

56223 has 6 divisors (see below), whose sum is σ = 81224. Its totient is φ = 37476.

The previous prime is 56209. The next prime is 56237. The reversal of 56223 is 32265.

Adding to 56223 its reverse (32265), we get a palindrome (88488).

It can be divided in two parts, 5622 and 3, that added together give a square (5625 = 752).

It is an interprime number because it is at equal distance from previous prime (56209) and next prime (56237).

It is not a de Polignac number, because 56223 - 24 = 56207 is a prime.

It is a super-2 number, since 2×562232 = 6322051458, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 56196 and 56205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 56223.

It is not an unprimeable number, because it can be changed into a prime (56263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3115 + ... + 3132.

256223 is an apocalyptic number.

56223 is a deficient number, since it is larger than the sum of its proper divisors (25001).

56223 is a wasteful number, since it uses less digits than its factorization.

56223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253 (or 6250 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 56223 is about 237.1138966826. The cubic root of 56223 is about 38.3093401631.

The spelling of 56223 in words is "fifty-six thousand, two hundred twenty-three".

Divisors: 1 3 9 6247 18741 56223