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528942 = 23199443
BaseRepresentation
bin10000001001000101110
3222212120110
42001020232
5113411232
615200450
74332051
oct2011056
9885513
10528942
11331447
12216126
131569ab
14daa98
15a6acc
hex8122e

528942 has 16 divisors (see below), whose sum is σ = 1065600. Its totient is φ = 175032.

The previous prime is 528929. The next prime is 528947. The reversal of 528942 is 249825.

It is a d-powerful number, because it can be written as 5 + 25 + 9 + 83 + 46 + 219 .

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528947) by changing a digit.

528942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (66600).

2528942 is an apocalyptic number.

528942 is an abundant number, since it is smaller than the sum of its proper divisors (536658).

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

528942 is a wasteful number, since it uses less digits than its factorization.

528942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 5760, while the sum is 30.

The square root of 528942 is about 727.2839885492. The cubic root of 528942 is about 80.8728381198.

The spelling of 528942 in words is "five hundred twenty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 199 398 443 597 886 1194 1329 2658 88157 176314 264471 528942