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528314868 = 223292915797
BaseRepresentation
bin11111011111010…
…111000111110100
31100211010011202100
4133133113013310
52040222033433
6124231342100
716043413404
oct3737270764
91324104670
10528314868
11251246864
12128b21930
13855ba063
1450246804
15315acb13
hex1f7d71f4

528314868 has 36 divisors (see below), whose sum is σ = 1336984740. Its totient is φ = 175904256.

The previous prime is 528314861. The next prime is 528314869. The reversal of 528314868 is 868413825.

It can be written as a sum of positive squares in 2 ways, for example, as 159213924 + 369100944 = 12618^2 + 19212^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528314861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25546 + ... + 41342.

It is an arithmetic number, because the mean of its divisors is an integer number (37138465).

Almost surely, 2528314868 is an apocalyptic number.

It is an amenable number.

528314868 is an abundant number, since it is smaller than the sum of its proper divisors (808669872).

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

528314868 is a wasteful number, since it uses less digits than its factorization.

528314868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16736 (or 16731 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 528314868 is about 22985.1010004307. The cubic root of 528314868 is about 808.4086359814.

The spelling of 528314868 in words is "five hundred twenty-eight million, three hundred fourteen thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 929 1858 2787 3716 5574 8361 11148 15797 16722 31594 33444 47391 63188 94782 142173 189564 284346 568692 14675413 29350826 44026239 58701652 88052478 132078717 176104956 264157434 528314868