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39528137 = 1143193433
BaseRepresentation
bin1001011011001…
…0011011001001
32202101020102002
42112302123021
540104400022
63531120345
7656661245
oct226623311
982336362
1039528137
1120349090
12112a30b5
13825cb3c
14536d425
15370c092
hex25b26c9

39528137 has 16 divisors (see below), whose sum is σ = 44455488. Its totient is φ = 34836480.

The previous prime is 39528133. The next prime is 39528143. The reversal of 39528137 is 73182593.

39528137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 39528137 - 22 = 39528133 is a prime.

It is a super-2 number, since 2×395281372 = 3124947229381538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39528137.

It is not an unprimeable number, because it can be changed into a prime (39528133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91073 + ... + 91505.

It is an arithmetic number, because the mean of its divisors is an integer number (2778468).

Almost surely, 239528137 is an apocalyptic number.

It is an amenable number.

39528137 is a deficient number, since it is larger than the sum of its proper divisors (4927351).

39528137 is a wasteful number, since it uses less digits than its factorization.

39528137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 45360, while the sum is 38.

The square root of 39528137 is about 6287.1406060307. The cubic root of 39528137 is about 340.6450757968.

The spelling of 39528137 in words is "thirty-nine million, five hundred twenty-eight thousand, one hundred thirty-seven".

Divisors: 1 11 43 193 433 473 2123 4763 8299 18619 83569 91289 204809 919259 3593467 39528137