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540642512 = 24613591543
BaseRepresentation
bin100000001110011…
…000110011010000
31101200022111002202
4200032120303100
52101401030022
6125351502332
716253246144
oct4016306320
91350274082
10540642512
112581a67a3
121310879a8
1388015217
1451b35224
15326e5592
hex20398cd0

540642512 has 40 divisors (see below), whose sum is σ = 1068324480. Its totient is φ = 264977280.

The previous prime is 540642481. The next prime is 540642527. The reversal of 540642512 is 215246045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349613 + ... + 351155.

It is an arithmetic number, because the mean of its divisors is an integer number (26708112).

Almost surely, 2540642512 is an apocalyptic number.

It is an amenable number.

540642512 is a deficient number, since it is larger than the sum of its proper divisors (527681968).

540642512 is a wasteful number, since it uses less digits than its factorization.

540642512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 540642512 is about 23251.7206245043. The cubic root of 540642512 is about 814.6481284300.

Adding to 540642512 its reverse (215246045), we get a palindrome (755888557).

The spelling of 540642512 in words is "five hundred forty million, six hundred forty-two thousand, five hundred twelve".

Divisors: 1 2 4 8 16 61 122 244 359 488 718 976 1436 1543 2872 3086 5744 6172 12344 21899 24688 43798 87596 94123 175192 188246 350384 376492 553937 752984 1107874 1505968 2215748 4431496 8862992 33790157 67580314 135160628 270321256 540642512