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56805593 = 134369661
BaseRepresentation
bin1101100010110…
…0100011011001
310221220000121212
43120230203121
5104020234333
65345312505
71256560655
oct330544331
9127800555
1056805593
112a079979
1217035735
13b9cbca0
147789a65
154ec1448
hex362c8d9

56805593 has 4 divisors (see below), whose sum is σ = 61175268. Its totient is φ = 52435920.

The previous prime is 56805527. The next prime is 56805629. The reversal of 56805593 is 39550865.

56805593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11539609 + 45265984 = 3397^2 + 6728^2 .

It is a cyclic number.

It is not a de Polignac number, because 56805593 - 212 = 56801497 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 56805593.

It is not an unprimeable number, because it can be changed into a prime (56805523) 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 3 ways as a sum of consecutive naturals, for example, 2184818 + ... + 2184843.

It is an arithmetic number, because the mean of its divisors is an integer number (15293817).

Almost surely, 256805593 is an apocalyptic number.

It is an amenable number.

56805593 is a deficient number, since it is larger than the sum of its proper divisors (4369675).

56805593 is a wasteful number, since it uses less digits than its factorization.

56805593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369674.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 56805593 is about 7536.9485204557. The cubic root of 56805593 is about 384.4120851962.

The spelling of 56805593 in words is "fifty-six million, eight hundred five thousand, five hundred ninety-three".

Divisors: 1 13 4369661 56805593