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528388 = 227113167
BaseRepresentation
bin10000001000000000100
3222211210221
42001000010
5113402023
615154124
74330330
oct2010004
9884727
10528388
11330a93
12215944
13156673
14da7c0
15a685d
hex81004

528388 has 24 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 223104.

The previous prime is 528383. The next prime is 528391. The reversal of 528388 is 883825.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (528383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2528388 is an apocalyptic number.

It is an amenable number.

528388 is an abundant number, since it is smaller than the sum of its proper divisors (544124).

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

528388 is a wasteful number, since it uses less digits than its factorization.

528388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 528388 is about 726.9030196663. The cubic root of 528388 is about 80.8445935590.

The spelling of 528388 in words is "five hundred twenty-eight thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 113 167 226 334 452 668 791 1169 1582 2338 3164 4676 18871 37742 75484 132097 264194 528388