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38427593 = 281136753
BaseRepresentation
bin1001001010010…
…1101111001001
32200022022202012
42102211233021
534314140333
63451345305
7644425541
oct222455711
980268665
1038427593
111a767246
1210a52235
137c65c29
145164321
153590e48
hex24a5bc9

38427593 has 4 divisors (see below), whose sum is σ = 38564628. Its totient is φ = 38290560.

The previous prime is 38427563. The next prime is 38427607. The reversal of 38427593 is 39572483.

38427593 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 14348944 + 24078649 = 3788^2 + 4907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38427593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38427593.

It is not an unprimeable number, because it can be changed into a prime (38427563) 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 3 ways as a sum of consecutive naturals, for example, 68096 + ... + 68657.

It is an arithmetic number, because the mean of its divisors is an integer number (9641157).

Almost surely, 238427593 is an apocalyptic number.

It is an amenable number.

38427593 is a deficient number, since it is larger than the sum of its proper divisors (137035).

38427593 is a wasteful number, since it uses less digits than its factorization.

38427593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137034.

The product of its digits is 181440, while the sum is 41.

The square root of 38427593 is about 6198.9993547346. Note that the first 3 decimals coincide. The cubic root of 38427593 is about 337.4538552366.

The spelling of 38427593 in words is "thirty-eight million, four hundred twenty-seven thousand, five hundred ninety-three".

Divisors: 1 281 136753 38427593