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4868909 is a prime number
BaseRepresentation
bin10010100100101100101101
3100011100212222
4102210230231
52221301114
6252205125
756246033
oct22445455
910140788
104868909
1128260a1
1217697a5
131016216
1490a553
1566298e
hex4a4b2d

4868909 has 2 divisors, whose sum is σ = 4868910. Its totient is φ = 4868908.

The previous prime is 4868869. The next prime is 4868911. The reversal of 4868909 is 9098684.

4868909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4502884 + 366025 = 2122^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 4868909 - 28 = 4868653 is a prime.

Together with 4868911, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4868909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4868999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2434454 + 2434455.

It is an arithmetic number, because the mean of its divisors is an integer number (2434455).

Almost surely, 24868909 is an apocalyptic number.

It is an amenable number.

4868909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4868909 is an equidigital number, since it uses as much as digits as its factorization.

4868909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 4868909 is about 2206.5604455804. The cubic root of 4868909 is about 169.4899243640.

The spelling of 4868909 in words is "four million, eight hundred sixty-eight thousand, nine hundred nine".