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528694086 = 23163540587
BaseRepresentation
bin11111100000110…
…011101101000110
31100211211102221110
4133200303231012
52040321202321
6124243425450
716046553114
oct3740635506
91324742843
10528694086
11251485768
12129085286
13856c084b
1450304ab4
1531635176
hex1f833b46

528694086 has 16 divisors (see below), whose sum is σ = 1063877184. Its totient is φ = 175149864.

The previous prime is 528694081. The next prime is 528694093. The reversal of 528694086 is 680496825.

It is a happy number.

It is a super-3 number, since 3×5286940863 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528694081) 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, 269316 + ... + 271271.

It is an arithmetic number, because the mean of its divisors is an integer number (66492324).

Almost surely, 2528694086 is an apocalyptic number.

528694086 is an abundant number, since it is smaller than the sum of its proper divisors (535183098).

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

528694086 is a wasteful number, since it uses less digits than its factorization.

528694086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540755.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 528694086 is about 22993.3487339274. The cubic root of 528694086 is about 808.6020116902.

The spelling of 528694086 in words is "five hundred twenty-eight million, six hundred ninety-four thousand, eighty-six".

Divisors: 1 2 3 6 163 326 489 978 540587 1081174 1621761 3243522 88115681 176231362 264347043 528694086