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115045043 = 137383791
BaseRepresentation
bin1101101101101…
…11001010110011
322000110220010112
412312313022303
5213422420133
615225451535
72564603201
oct666671263
9260426115
10115045043
1159a38053
1232640bab
131aab07b9
14113ca071
15a177648
hex6db72b3

115045043 has 4 divisors (see below), whose sum is σ = 115130208. Its totient is φ = 114959880.

The previous prime is 115045039. The next prime is 115045111. The reversal of 115045043 is 340540511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340540511 = 3187106853.

It is a cyclic number.

It is not a de Polignac number, because 115045043 - 22 = 115045039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115045003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40523 + ... + 43268.

It is an arithmetic number, because the mean of its divisors is an integer number (28782552).

Almost surely, 2115045043 is an apocalyptic number.

115045043 is a deficient number, since it is larger than the sum of its proper divisors (85165).

115045043 is an equidigital number, since it uses as much as digits as its factorization.

115045043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85164.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 115045043 is about 10725.9052298629. The cubic root of 115045043 is about 486.3578951386.

Adding to 115045043 its reverse (340540511), we get a palindrome (455585554).

The spelling of 115045043 in words is "one hundred fifteen million, forty-five thousand, forty-three".

Divisors: 1 1373 83791 115045043