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868505227 = 2843305489
BaseRepresentation
bin110011110001000…
…101011010001011
32020112020122012021
4303301011122023
53234314131402
6222103025311
730344113132
oct6361053213
92215218167
10868505227
11406280917
12202a3b237
1310ac1a225
14834bc919
15513a9d37
hex33c4568b

868505227 has 4 divisors (see below), whose sum is σ = 868813560. Its totient is φ = 868196896.

The previous prime is 868505213. The next prime is 868505237. The reversal of 868505227 is 722505868.

868505227 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 868505227 - 211 = 868503179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868505237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149902 + ... + 155587.

It is an arithmetic number, because the mean of its divisors is an integer number (217203390).

Almost surely, 2868505227 is an apocalyptic number.

868505227 is a deficient number, since it is larger than the sum of its proper divisors (308333).

868505227 is a wasteful number, since it uses less digits than its factorization.

868505227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308332.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 868505227 is about 29470.4127388810. The cubic root of 868505227 is about 954.0932255249.

The spelling of 868505227 in words is "eight hundred sixty-eight million, five hundred five thousand, two hundred twenty-seven".

Divisors: 1 2843 305489 868505227