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528393 = 3891979
BaseRepresentation
bin10000001000000001001
3222211211010
42001000021
5113402033
615154133
74330335
oct2010011
9884733
10528393
11330a98
12215949
13156678
14da7c5
15a6863
hex81009

528393 has 8 divisors (see below), whose sum is σ = 712800. Its totient is φ = 348128.

The previous prime is 528391. The next prime is 528401. The reversal of 528393 is 393825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528393 - 21 = 528391 is a prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 528393.

It is not an unprimeable number, because it can be changed into a prime (528391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2528393 is an apocalyptic number.

It is an amenable number.

528393 is a deficient number, since it is larger than the sum of its proper divisors (184407).

528393 is a wasteful number, since it uses less digits than its factorization.

528393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071.

The product of its digits is 6480, while the sum is 30.

The square root of 528393 is about 726.9064589065. The cubic root of 528393 is about 80.8448485620.

The spelling of 528393 in words is "five hundred twenty-eight thousand, three hundred ninety-three".

Divisors: 1 3 89 267 1979 5937 176131 528393