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4868557 is a prime number
BaseRepresentation
bin10010100100100111001101
3100011100101221
4102210213031
52221243212
6252203341
756245021
oct22444715
910140357
104868557
112825901
121769551
131016005
1490a381
15662807
hex4a49cd

4868557 has 2 divisors, whose sum is σ = 4868558. Its totient is φ = 4868556.

The previous prime is 4868543. The next prime is 4868561. The reversal of 4868557 is 7558684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 1552516 = 1821^2 + 1246^2 .

It is a cyclic number.

It is not a de Polignac number, because 4868557 - 219 = 4344269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4868587) 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, 2434278 + 2434279.

It is an arithmetic number, because the mean of its divisors is an integer number (2434279).

Almost surely, 24868557 is an apocalyptic number.

It is an amenable number.

4868557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4868557 is an equidigital number, since it uses as much as digits as its factorization.

4868557 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4868557 is about 2206.4806819911. The cubic root of 4868557 is about 169.4858398151.

The spelling of 4868557 in words is "four million, eight hundred sixty-eight thousand, five hundred fifty-seven".