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528242 = 211131847
BaseRepresentation
bin10000000111101110010
3222211121112
42000331302
5113400432
615153322
74330031
oct2007562
9884545
10528242
11330970
12215842
13156590
14da718
15a67b2
hex80f72

528242 has 16 divisors (see below), whose sum is σ = 931392. Its totient is φ = 221520.

The previous prime is 528223. The next prime is 528247. The reversal of 528242 is 242825.

It is a super-2 number, since 2×5282422 = 558079221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (528247) by changing a digit.

528242 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 in 7 ways as a sum of consecutive naturals, for example, 638 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2528242 is an apocalyptic number.

528242 is a deficient number, since it is larger than the sum of its proper divisors (403150).

528242 is a wasteful number, since it uses less digits than its factorization.

528242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873.

The product of its digits is 1280, while the sum is 23.

The square root of 528242 is about 726.8025866767. The cubic root of 528242 is about 80.8371467598.

The spelling of 528242 in words is "five hundred twenty-eight thousand, two hundred forty-two".

Divisors: 1 2 11 13 22 26 143 286 1847 3694 20317 24011 40634 48022 264121 528242