Search a number
-
+
38252045 = 513588493
BaseRepresentation
bin1001000111101…
…0111000001101
32122222101221102
42101322320031
534243031140
63443512445
7643064666
oct221727015
978871842
1038252045
111a657367
1210988725
137c04060
14511a36d
153558e15
hex247ae0d

38252045 has 8 divisors (see below), whose sum is σ = 49433496. Its totient is φ = 28247616.

The previous prime is 38252041. The next prime is 38252083. The reversal of 38252045 is 54025283.

38252045 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 343396 + 37908649 = 586^2 + 6157^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38252045 - 22 = 38252041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38251999 and 38252017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38252041) 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 7 ways as a sum of consecutive naturals, for example, 294182 + ... + 294311.

It is an arithmetic number, because the mean of its divisors is an integer number (6179187).

Almost surely, 238252045 is an apocalyptic number.

It is an amenable number.

38252045 is a deficient number, since it is larger than the sum of its proper divisors (11181451).

38252045 is a wasteful number, since it uses less digits than its factorization.

38252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588511.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 38252045 is about 6184.8237646678. The cubic root of 38252045 is about 336.9392095381.

The spelling of 38252045 in words is "thirty-eight million, two hundred fifty-two thousand, forty-five".

Divisors: 1 5 13 65 588493 2942465 7650409 38252045