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56243011 = 1143118907
BaseRepresentation
bin1101011010001…
…1001101000011
310220211102220111
43112203031003
5103344234021
65325252151
71252025536
oct326431503
9126742814
1056243011
1129825230
1216a04057
13b862bb6
147680a1d
154e0e8e1
hex35a3343

56243011 has 8 divisors (see below), whose sum is σ = 62783424. Its totient is φ = 49940520.

The previous prime is 56243009. The next prime is 56243029. The reversal of 56243011 is 11034265.

56243011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56243011 - 21 = 56243009 is a prime.

It is a super-2 number, since 2×562430112 = 6326552572692242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56243051) 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 7 ways as a sum of consecutive naturals, for example, 58981 + ... + 59926.

It is an arithmetic number, because the mean of its divisors is an integer number (7847928).

Almost surely, 256243011 is an apocalyptic number.

56243011 is a deficient number, since it is larger than the sum of its proper divisors (6540413).

56243011 is a wasteful number, since it uses less digits than its factorization.

56243011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118961.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56243011 is about 7499.5340521928. The cubic root of 56243011 is about 383.1388466902.

Adding to 56243011 its reverse (11034265), we get a palindrome (67277276).

The spelling of 56243011 in words is "fifty-six million, two hundred forty-three thousand, eleven".

Divisors: 1 11 43 473 118907 1307977 5113001 56243011