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540236723 = 1326414987
BaseRepresentation
bin100000001100110…
…101101110110011
31101122112212110112
4200030311232303
52101300033343
6125335051535
716246636115
oct4014655663
91348485415
10540236723
11257a49934
12130b10bab
1387c02600
1451a6b3b5
1532665218
hex20335bb3

540236723 has 12 divisors (see below), whose sum is σ = 586020168. Its totient is φ = 497802240.

The previous prime is 540236699. The next prime is 540236759. The reversal of 540236723 is 327632045.

540236723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540236723 - 28 = 540236467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540236723.

It is not an unprimeable number, because it can be changed into a prime (540230723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105836 + ... + 110822.

It is an arithmetic number, because the mean of its divisors is an integer number (48835014).

Almost surely, 2540236723 is an apocalyptic number.

540236723 is a deficient number, since it is larger than the sum of its proper divisors (45783445).

540236723 is a wasteful number, since it uses less digits than its factorization.

540236723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 540236723 is about 23242.9929871349. The cubic root of 540236723 is about 814.4442611283. Note that the first 3 decimals are identical.

Adding to 540236723 its reverse (327632045), we get a palindrome (867868768).

The spelling of 540236723 in words is "five hundred forty million, two hundred thirty-six thousand, seven hundred twenty-three".

Divisors: 1 13 169 641 4987 8333 64831 108329 842803 3196667 41556671 540236723