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40568717 = 721515483
BaseRepresentation
bin1001101011000…
…0011110001101
32211100002211002
42122300132031
540341144332
64005310045
71001554100
oct232603615
984302732
1040568717
1120999972
1211705325
138535677
145560737
153865562
hex26b078d

40568717 has 12 divisors (see below), whose sum is σ = 47513376. Its totient is φ = 34536600.

The previous prime is 40568683. The next prime is 40568741. The reversal of 40568717 is 71786504.

40568717 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 40568717 - 210 = 40567693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40568747) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4658 + ... + 10140.

It is an arithmetic number, because the mean of its divisors is an integer number (3959448).

Almost surely, 240568717 is an apocalyptic number.

It is an amenable number.

40568717 is a deficient number, since it is larger than the sum of its proper divisors (6944659).

40568717 is a wasteful number, since it uses less digits than its factorization.

40568717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 40568717 is about 6369.3576599214. The cubic root of 40568717 is about 343.6083885236.

The spelling of 40568717 in words is "forty million, five hundred sixty-eight thousand, seven hundred seventeen".

Divisors: 1 7 49 151 1057 5483 7399 38381 268667 827933 5795531 40568717