Search a number
-
+
45245843 = 283315971
BaseRepresentation
bin1010110010011…
…0010110010011
310011010201121222
42230212112103
543040331333
64253435255
71056404036
oct254462623
9104121558
1045245843
11235a3965
121319bb2b
1394b24b6
14601b01d
153e8b298
hex2b26593

45245843 has 4 divisors (see below), whose sum is σ = 45264648. Its totient is φ = 45227040.

The previous prime is 45245831. The next prime is 45245869. The reversal of 45245843 is 34854254.

45245843 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 an emirpimes, since its reverse is a distinct semiprime: 34854254 = 217427127.

It is a cyclic number.

It is not a de Polignac number, because 45245843 - 212 = 45241747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45245813) 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, 5153 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (11316162).

Almost surely, 245245843 is an apocalyptic number.

45245843 is a deficient number, since it is larger than the sum of its proper divisors (18805).

45245843 is a wasteful number, since it uses less digits than its factorization.

45245843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18804.

The product of its digits is 76800, while the sum is 35.

The square root of 45245843 is about 6726.5030290635. The cubic root of 45245843 is about 356.3358858076.

The spelling of 45245843 in words is "forty-five million, two hundred forty-five thousand, eight hundred forty-three".

Divisors: 1 2833 15971 45245843