Search a number
-
+
16750849 is a prime number
BaseRepresentation
bin111111111001…
…100100000001
31011112000211211
4333321210001
513242011344
61355010121
7262244203
oct77714401
934460754
1016750849
119501185
125739941
13361655b
142320773
15170d334
hexff9901

16750849 has 2 divisors, whose sum is σ = 16750850. Its totient is φ = 16750848.

The previous prime is 16750829. The next prime is 16750859. The reversal of 16750849 is 94805761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16459249 + 291600 = 4057^2 + 540^2 .

It is an emirp because it is prime and its reverse (94805761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16750849 - 221 = 14653697 is a prime.

It is not a weakly prime, because it can be changed into another prime (16750829) 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 as a sum of consecutive naturals, namely, 8375424 + 8375425.

It is an arithmetic number, because the mean of its divisors is an integer number (8375425).

Almost surely, 216750849 is an apocalyptic number.

It is an amenable number.

16750849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16750849 is an equidigital number, since it uses as much as digits as its factorization.

16750849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 16750849 is about 4092.7801064802. The cubic root of 16750849 is about 255.8658201862.

The spelling of 16750849 in words is "sixteen million, seven hundred fifty thousand, eight hundred forty-nine".