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528768 = 273517
BaseRepresentation
bin10000001000110000000
3222212100000
42001012000
5113410033
615200000
74331412
oct2010600
9885300
10528768
113312a9
12216000
131568a6
14da9b2
15a6a13
hex81180

528768 has 96 divisors (see below), whose sum is σ = 1670760. Its totient is φ = 165888.

The previous prime is 528763. The next prime is 528779. The reversal of 528768 is 867825.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 58 + 214 + 76 + 8 + 6 + 84 .

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528763) 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, 31096 + ... + 31112.

528768 is a Friedman number, since it can be written as 68*(7*2-8)^5, using all its digits and the basic arithmetic operations.

2528768 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 528768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835380).

528768 is an abundant number, since it is smaller than the sum of its proper divisors (1141992).

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

528768 is an equidigital number, since it uses as much as digits as its factorization.

528768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 22 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 528768 is about 727.1643555621. The cubic root of 528768 is about 80.8639692097.

It can be divided in two parts, 528 and 768, that multiplied together give a palindrome (405504).

The spelling of 528768 in words is "five hundred twenty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 128 136 144 153 162 192 204 216 243 272 288 306 324 384 408 432 459 486 544 576 612 648 816 864 918 972 1088 1152 1224 1296 1377 1632 1728 1836 1944 2176 2448 2592 2754 3264 3456 3672 3888 4131 4896 5184 5508 6528 7344 7776 8262 9792 10368 11016 14688 15552 16524 19584 22032 29376 31104 33048 44064 58752 66096 88128 132192 176256 264384 528768