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529285 = 5372861
BaseRepresentation
bin10000001001110000101
3222220001011
42001032011
5113414120
615202221
74333051
oct2011605
9886034
10529285
11331729
12216371
13156bb3
14dac61
15a6c5a
hex81385

529285 has 8 divisors (see below), whose sum is σ = 652536. Its totient is φ = 411840.

The previous prime is 529273. The next prime is 529301. The reversal of 529285 is 582925.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 370881 = 398^2 + 609^2 .

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

It is not a de Polignac number, because 529285 - 27 = 529157 is a prime.

It is a super-2 number, since 2×5292852 = 560285222450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

529285 is a lucky number.

It is a congruent number.

It is an unprimeable 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, 1246 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (81567).

2529285 is an apocalyptic number.

It is an amenable number.

529285 is a deficient number, since it is larger than the sum of its proper divisors (123251).

529285 is a wasteful number, since it uses less digits than its factorization.

529285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its digits is 7200, while the sum is 31.

The square root of 529285 is about 727.5197591818. The cubic root of 529285 is about 80.8903153918.

The spelling of 529285 in words is "five hundred twenty-nine thousand, two hundred eighty-five".

Divisors: 1 5 37 185 2861 14305 105857 529285