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528668 = 22779239
BaseRepresentation
bin10000001000100011100
3222212012022
42001010130
5113404133
615155312
74331210
oct2010434
9885168
10528668
11331218
12215b38
1315682a
14da940
15a6998
hex8111c

528668 has 24 divisors (see below), whose sum is σ = 1075200. Its totient is φ = 222768.

The previous prime is 528667. The next prime is 528673. The reversal of 528668 is 866825.

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 (528667) 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, 2093 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (44800).

2528668 is an apocalyptic number.

It is an amenable number.

528668 is an abundant number, since it is smaller than the sum of its proper divisors (546532).

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

528668 is a wasteful number, since it uses less digits than its factorization.

528668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 528668 is about 727.0955920648. The cubic root of 528668 is about 80.8588712545.

The spelling of 528668 in words is "five hundred twenty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 79 158 239 316 478 553 956 1106 1673 2212 3346 6692 18881 37762 75524 132167 264334 528668