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56386 = 2112233
BaseRepresentation
bin1101110001000010
32212100101
431301002
53301021
61113014
7323251
oct156102
985311
1056386
1139400
122876a
131c885
1416798
1511a91
hexdc42

56386 has 12 divisors (see below), whose sum is σ = 93366. Its totient is φ = 25520.

The previous prime is 56383. The next prime is 56393. The reversal of 56386 is 68365.

It can be written as a sum of positive squares in only one way, i.e., 53361 + 3025 = 231^2 + 55^2 .

It is a d-powerful number, because it can be written as 55 + 62 + 38 + 8 + 66 .

It is a nialpdrome in base 9 and base 16.

It is not an unprimeable number, because it can be changed into a prime (56383) 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, 126 + ... + 358.

256386 is an apocalyptic number.

56386 is a deficient number, since it is larger than the sum of its proper divisors (36980).

56386 is a wasteful number, since it uses less digits than its factorization.

56386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 246 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 56386 is about 237.4573645942. The cubic root of 56386 is about 38.3463261985.

Adding to 56386 its product of digits (4320), we get a palindrome (60706).

The spelling of 56386 in words is "fifty-six thousand, three hundred eighty-six".

Divisors: 1 2 11 22 121 233 242 466 2563 5126 28193 56386