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541513045 = 5108302609
BaseRepresentation
bin100000010001101…
…101010101010101
31101201221201020201
4200101231111111
52102111404140
6125422300501
716263533143
oct4021552525
91351851221
10541513045
11258740847
12131427731
138825b528
1451cc0593
153281849a
hex2046d555

541513045 has 4 divisors (see below), whose sum is σ = 649815660. Its totient is φ = 433210432.

The previous prime is 541513039. The next prime is 541513067. The reversal of 541513045 is 540315145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540315145 = 5108063029.

It can be written as a sum of positive squares in 2 ways, for example, as 56896849 + 484616196 = 7543^2 + 22014^2 .

It is a cyclic number.

It is not a de Polignac number, because 541513045 - 29 = 541512533 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 54151300 + ... + 54151309.

It is an arithmetic number, because the mean of its divisors is an integer number (162453915).

Almost surely, 2541513045 is an apocalyptic number.

It is an amenable number.

541513045 is a deficient number, since it is larger than the sum of its proper divisors (108302615).

541513045 is a wasteful number, since it uses less digits than its factorization.

541513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108302614.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 541513045 is about 23270.4328494336. The cubic root of 541513045 is about 815.0851379562.

The spelling of 541513045 in words is "five hundred forty-one million, five hundred thirteen thousand, forty-five".

Divisors: 1 5 108302609 541513045