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56228 = 2214057
BaseRepresentation
bin1101101110100100
32212010112
431232210
53244403
61112152
7322634
oct155644
985115
1056228
1139277
1228658
131c793
14166c4
15119d8
hexdba4

56228 has 6 divisors (see below), whose sum is σ = 98406. Its totient is φ = 28112.

The previous prime is 56209. The next prime is 56237. The reversal of 56228 is 82265.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33124 + 23104 = 182^2 + 152^2 .

It is a super-3 number, since 3×562283 = 533309307493056, which contains 333 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

56228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7025 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (16401).

256228 is an apocalyptic number.

It is an amenable number.

56228 is a deficient number, since it is larger than the sum of its proper divisors (42178).

56228 is a wasteful number, since it uses less digits than its factorization.

56228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14061 (or 14059 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 56228 is about 237.1244399045. The cubic root of 56228 is about 38.3104757661.

The spelling of 56228 in words is "fifty-six thousand, two hundred twenty-eight".

Divisors: 1 2 4 14057 28114 56228