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38427253 = 192022487
BaseRepresentation
bin1001001010010…
…1101001110101
32200022022021121
42102211221311
534314133003
63451343541
7644424544
oct222455165
980268247
1038427253
111a766a67
1210a51bb1
137c65a27
14516415b
153590cbd
hex24a5a75

38427253 has 4 divisors (see below), whose sum is σ = 40449760. Its totient is φ = 36404748.

The previous prime is 38427223. The next prime is 38427289. The reversal of 38427253 is 35272483.

38427253 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35272483 = 278912647.

It is a cyclic number.

It is not a de Polignac number, because 38427253 - 29 = 38426741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38427203) 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, 1011225 + ... + 1011262.

It is an arithmetic number, because the mean of its divisors is an integer number (10112440).

Almost surely, 238427253 is an apocalyptic number.

It is an amenable number.

38427253 is a deficient number, since it is larger than the sum of its proper divisors (2022507).

38427253 is a wasteful number, since it uses less digits than its factorization.

38427253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022506.

The product of its digits is 40320, while the sum is 34.

The square root of 38427253 is about 6198.9719308931. The cubic root of 38427253 is about 337.4528599913.

The spelling of 38427253 in words is "thirty-eight million, four hundred twenty-seven thousand, two hundred fifty-three".

Divisors: 1 19 2022487 38427253