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605728 = 2523823
BaseRepresentation
bin10010011111000100000
31010202220101
42103320200
5123340403
620552144
75101654
oct2237040
91122811
10605728
11384102
12252654
13182926
1411aa64
15be71d
hex93e20

605728 has 24 divisors (see below), whose sum is σ = 1245888. Its totient is φ = 289344.

The previous prime is 605719. The next prime is 605779. The reversal of 605728 is 827506.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 605696 and 605705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (51912).

2605728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622944).

605728 is an abundant number, since it is smaller than the sum of its proper divisors (640160).

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

605728 is a wasteful number, since it uses less digits than its factorization.

605728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 605728 is about 778.2852947345. The cubic root of 605728 is about 84.6108159432.

The spelling of 605728 in words is "six hundred five thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 823 1646 3292 6584 13168 18929 26336 37858 75716 151432 302864 605728