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56243723 = 443126961
BaseRepresentation
bin1101011010001…
…1011000001011
310220211110212212
43112203120023
5103344244343
65325255335
71252030604
oct326433013
9126743785
1056243723
1129825818
1216a0454b
13b863313
147680dab
154e0ec18
hex35a360b

56243723 has 4 divisors (see below), whose sum is σ = 56371128. Its totient is φ = 56116320.

The previous prime is 56243713. The next prime is 56243741. The reversal of 56243723 is 32734265.

56243723 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 is a cyclic number.

It is not a de Polignac number, because 56243723 - 26 = 56243659 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 56243723.

It is not an unprimeable number, because it can be changed into a prime (56243713) 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, 63038 + ... + 63923.

It is an arithmetic number, because the mean of its divisors is an integer number (14092782).

Almost surely, 256243723 is an apocalyptic number.

56243723 is a deficient number, since it is larger than the sum of its proper divisors (127405).

56243723 is a wasteful number, since it uses less digits than its factorization.

56243723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127404.

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

The square root of 56243723 is about 7499.5815216584. The cubic root of 56243723 is about 383.1404634464.

Adding to 56243723 its reverse (32734265), we get a palindrome (88977988).

The spelling of 56243723 in words is "fifty-six million, two hundred forty-three thousand, seven hundred twenty-three".

Divisors: 1 443 126961 56243723