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39528085 = 516214877
BaseRepresentation
bin1001011011001…
…0011010010101
32202101020100011
42112302122111
540104344320
63531120221
7656661142
oct226623225
982336304
1039528085
1120349043
12112a3071
13825cacc
14536d3c9
15370c05a
hex25b2695

39528085 has 8 divisors (see below), whose sum is σ = 47472696. Its totient is φ = 31596480.

The previous prime is 39527981. The next prime is 39528091. The reversal of 39528085 is 58082593.

39528085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4588164 + 34939921 = 2142^2 + 5911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39528085 - 221 = 37430933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5667 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (5934087).

Almost surely, 239528085 is an apocalyptic number.

It is an amenable number.

39528085 is a deficient number, since it is larger than the sum of its proper divisors (7944611).

39528085 is a wasteful number, since it uses less digits than its factorization.

39528085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 39528085 is about 6287.1364706041. The cubic root of 39528085 is about 340.6449264218.

The spelling of 39528085 in words is "thirty-nine million, five hundred twenty-eight thousand, eighty-five".

Divisors: 1 5 1621 4877 8105 24385 7905617 39528085