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528275028 = 22369163709
BaseRepresentation
bin11111011111001…
…101011001010100
31100211001011002210
4133133031121110
52040214300103
6124230433420
716043156301
oct3737153124
91324034083
10528275028
11251219936
12128b02870
13855a4b98
14502360a8
15315a0e03
hex1f7cd654

528275028 has 24 divisors (see below), whose sum is σ = 1234444960. Its totient is φ = 175834080.

The previous prime is 528274987. The next prime is 528275047. The reversal of 528275028 is 820572825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23563 + ... + 40146.

Almost surely, 2528275028 is an apocalyptic number.

It is an amenable number.

528275028 is an abundant number, since it is smaller than the sum of its proper divisors (706169932).

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

528275028 is a wasteful number, since it uses less digits than its factorization.

528275028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64407 (or 64405 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 528275028 is about 22984.2343357354. The cubic root of 528275028 is about 808.3883148865.

The spelling of 528275028 in words is "five hundred twenty-eight million, two hundred seventy-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 691 1382 2073 2764 4146 8292 63709 127418 191127 254836 382254 764508 44022919 88045838 132068757 176091676 264137514 528275028