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528494 = 22311489
BaseRepresentation
bin10000001000001101110
3222211221212
42001001232
5113402434
615154422
74330541
oct2010156
9884855
10528494
1133107a
12215a12
13156725
14da858
15a68ce
hex8106e

528494 has 8 divisors (see below), whose sum is σ = 827280. Its totient is φ = 252736.

The previous prime is 528491. The next prime is 528509. The reversal of 528494 is 494825.

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

It is a super-3 number, since 3×5284943 = 442834489684733352, which contains 333 as substring.

It is a d-powerful number, because it can be written as 5 + 219 + 42 + 8 + 92 + 46 .

It is a self number, because there is not a number n which added to its sum of digits gives 528494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5699 + ... + 5790.

It is an arithmetic number, because the mean of its divisors is an integer number (103410).

2528494 is an apocalyptic number.

528494 is a deficient number, since it is larger than the sum of its proper divisors (298786).

528494 is a wasteful number, since it uses less digits than its factorization.

528494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514.

The product of its digits is 11520, while the sum is 32.

The square root of 528494 is about 726.9759280747. The cubic root of 528494 is about 80.8499992797.

The spelling of 528494 in words is "five hundred twenty-eight thousand, four hundred ninety-four".

Divisors: 1 2 23 46 11489 22978 264247 528494