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82882529 = 89699241
BaseRepresentation
bin1001111000010…
…10111111100001
312202221212110022
410330022333201
5132204220104
612120243225
72024330012
oct474127741
9182855408
1082882529
114286a964
1223910515
131422c422
14b017009
157422bbe
hex4f0afe1

82882529 has 4 divisors (see below), whose sum is σ = 82900740. Its totient is φ = 82864320.

The previous prime is 82882511. The next prime is 82882559. The reversal of 82882529 is 92528828.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 68442529 + 14440000 = 8273^2 + 3800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82882529 is a prime.

It is a super-2 number, since 2×828825292 = 13739027226871682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82882529.

It is not an unprimeable number, because it can be changed into a prime (82882559) 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, 4349 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (20725185).

Almost surely, 282882529 is an apocalyptic number.

It is an amenable number.

82882529 is a deficient number, since it is larger than the sum of its proper divisors (18211).

82882529 is an equidigital number, since it uses as much as digits as its factorization.

82882529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210.

The product of its digits is 184320, while the sum is 44.

The square root of 82882529 is about 9103.9842376841. The cubic root of 82882529 is about 436.0011801023.

The spelling of 82882529 in words is "eighty-two million, eight hundred eighty-two thousand, five hundred twenty-nine".

Divisors: 1 8969 9241 82882529