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56186028 = 2233520241
BaseRepresentation
bin1101011001010…
…1010010101100
310220201112202000
43112111102230
5103340423103
65324132300
71251400443
oct326252254
9126645660
1056186028
1129796438
1216997090
13b842c92
147667d5a
154decaa3
hex35954ac

56186028 has 24 divisors (see below), whose sum is σ = 145667760. Its totient is φ = 18728640.

The previous prime is 56186027. The next prime is 56186041. The reversal of 56186028 is 82068165.

It is a happy number.

56186028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56185983 and 56186001.

It is not an unprimeable number, because it can be changed into a prime (56186027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260013 + ... + 260228.

It is an arithmetic number, because the mean of its divisors is an integer number (6069490).

Almost surely, 256186028 is an apocalyptic number.

It is an amenable number.

56186028 is an abundant number, since it is smaller than the sum of its proper divisors (89481732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56186028 is a wasteful number, since it uses less digits than its factorization.

56186028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520254 (or 520246 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56186028 is about 7495.7339867421. The cubic root of 56186028 is about 383.0094096996.

The spelling of 56186028 in words is "fifty-six million, one hundred eighty-six thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 520241 1040482 1560723 2080964 3121446 4682169 6242892 9364338 14046507 18728676 28093014 56186028