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38975605 = 57795121
BaseRepresentation
bin1001010010101…
…1100001110101
32201100011110221
42110223201311
534434204410
63511214341
7652200334
oct224534165
981304427
1038975605
1120000a49
12110773b1
1380c84b6
145267d1b
15364d4da
hex252b875

38975605 has 4 divisors (see below), whose sum is σ = 46770732. Its totient is φ = 31180480.

The previous prime is 38975591. The next prime is 38975627. The reversal of 38975605 is 50657983.

38975605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 22791076 = 4023^2 + 4774^2 .

It is a de Polignac number, because none of the positive numbers 2k-38975605 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 3 ways as a sum of consecutive naturals, for example, 3897556 + ... + 3897565.

It is an arithmetic number, because the mean of its divisors is an integer number (11692683).

Almost surely, 238975605 is an apocalyptic number.

It is an amenable number.

38975605 is a deficient number, since it is larger than the sum of its proper divisors (7795127).

38975605 is an equidigital number, since it uses as much as digits as its factorization.

38975605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795126.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 38975605 is about 6243.0445297146. The cubic root of 38975605 is about 339.0504213455.

The spelling of 38975605 in words is "thirty-eight million, nine hundred seventy-five thousand, six hundred five".

Divisors: 1 5 7795121 38975605