Search a number
-
+
4871849 is a prime number
BaseRepresentation
bin10010100101011010101001
3100011111220212
4102211122221
52221344344
6252230505
756260433
oct22453251
910144825
104871849
112828324
12176b435
131017668
1490b653
1566379e
hex4a56a9

4871849 has 2 divisors, whose sum is σ = 4871850. Its totient is φ = 4871848.

The previous prime is 4871833. The next prime is 4871861. The reversal of 4871849 is 9481784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4818025 + 53824 = 2195^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 4871849 - 24 = 4871833 is a prime.

It is not a weakly prime, because it can be changed into another prime (4871819) 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, 2435924 + 2435925.

It is an arithmetic number, because the mean of its divisors is an integer number (2435925).

Almost surely, 24871849 is an apocalyptic number.

It is an amenable number.

4871849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871849 is an equidigital number, since it uses as much as digits as its factorization.

4871849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 4871849 is about 2207.2265402536. The cubic root of 4871849 is about 169.5240319444.

The spelling of 4871849 in words is "four million, eight hundred seventy-one thousand, eight hundred forty-nine".