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56240779 = 7219193313
BaseRepresentation
bin1101011010001…
…0101010001011
310220211022211211
43112202222023
5103344201104
65325233551
71252016200
oct326425213
9126738754
1056240779
1129823591
1216a028b7
13b861b8a
14767dca7
154e0de04
hex35a2a8b

56240779 has 24 divisors (see below), whose sum is σ = 69444240. Its totient is φ = 45287424.

The previous prime is 56240771. The next prime is 56240801. The reversal of 56240779 is 97704265.

56240779 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 56240779 - 23 = 56240771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56240771) 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 23 ways as a sum of consecutive naturals, for example, 179527 + ... + 179839.

It is an arithmetic number, because the mean of its divisors is an integer number (2893510).

Almost surely, 256240779 is an apocalyptic number.

56240779 is a deficient number, since it is larger than the sum of its proper divisors (13203461).

56240779 is a wasteful number, since it uses less digits than its factorization.

56240779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 56240779 is about 7499.3852414715. The cubic root of 56240779 is about 383.1337783437.

The spelling of 56240779 in words is "fifty-six million, two hundred forty thousand, seven hundred seventy-nine".

Divisors: 1 7 19 49 133 193 313 931 1351 2191 3667 5947 9457 15337 25669 41629 60409 179683 291403 422863 1147771 2960041 8034397 56240779