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8528 = 241341
BaseRepresentation
bin10000101010000
3102200212
42011100
5233103
6103252
733602
oct20520
912625
108528
116453
124b28
133b60
143172
1527d8
hex2150

8528 has 20 divisors (see below), whose sum is σ = 18228. Its totient is φ = 3840.

The previous prime is 8527. The next prime is 8537. The reversal of 8528 is 8258.

It can be written as a sum of positive squares in 2 ways, for example, as 784 + 7744 = 28^2 + 88^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 228.

28528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9114).

8528 is an abundant number, since it is smaller than the sum of its proper divisors (9700).

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

8528 is a wasteful number, since it uses less digits than its factorization.

8528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 56 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 8528 is about 92.3471710449. The cubic root of 8528 is about 20.4306600353.

It can be divided in two parts, 8 and 528, that multiplied together give a palindrome (4224).

The spelling of 8528 in words is "eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 41 52 82 104 164 208 328 533 656 1066 2132 4264 8528