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540613144 = 23532774603
BaseRepresentation
bin100000001110010…
…001101000011000
31101200020222211001
4200032101220120
52101344110034
6125351114344
716253064421
oct4016215030
91350228731
10540613144
11258186725
121310729b4
1388004a46
1451b28648
15326dba14
hex20391a18

540613144 has 32 divisors (see below), whose sum is σ = 1036728720. Its totient is φ = 264191616.

The previous prime is 540613133. The next prime is 540613147. The reversal of 540613144 is 441316045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540613147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115147 + ... + 119749.

Almost surely, 2540613144 is an apocalyptic number.

It is an amenable number.

540613144 is a deficient number, since it is larger than the sum of its proper divisors (496115576).

540613144 is a wasteful number, since it uses less digits than its factorization.

540613144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 540613144 is about 23251.0890927715. The cubic root of 540613144 is about 814.6333774508.

Adding to 540613144 its reverse (441316045), we get a palindrome (981929189).

The spelling of 540613144 in words is "five hundred forty million, six hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 53 106 212 277 424 554 1108 2216 4603 9206 14681 18412 29362 36824 58724 117448 243959 487918 975836 1275031 1951672 2550062 5100124 10200248 67576643 135153286 270306572 540613144