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528928 = 2516529
BaseRepresentation
bin10000001001000100000
3222212112221
42001020200
5113411203
615200424
74332031
oct2011040
9885487
10528928
11331434
12216114
1315699a
14daa88
15a6abd
hex81220

528928 has 12 divisors (see below), whose sum is σ = 1041390. Its totient is φ = 264448.

The previous prime is 528911. The next prime is 528929. The reversal of 528928 is 829825.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 183184 = 588^2 + 428^2 .

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 528893 and 528902.

It is not an unprimeable number, because it can be changed into a prime (528929) by changing a digit.

528928 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, 8233 + ... + 8296.

2528928 is an apocalyptic number.

It is an amenable number.

528928 is a deficient number, since it is larger than the sum of its proper divisors (512462).

528928 is a wasteful number, since it uses less digits than its factorization.

528928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16539 (or 16531 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 528928 is about 727.2743636345. The cubic root of 528928 is about 80.8721246013.

It can be divided in two parts, 52892 and 8, that added together give a square (52900 = 2302).

The spelling of 528928 in words is "five hundred twenty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 16529 33058 66116 132232 264464 528928