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140244211 is a prime number
BaseRepresentation
bin10000101101111…
…11010011110011
3100202220010220001
420112333103303
5241400303321
621525530431
73322025152
oct1026772363
9322803801
10140244211
1172189608
123ab73a17
1323094553
14148a9599
15c4a3c91
hex85bf4f3

140244211 has 2 divisors, whose sum is σ = 140244212. Its totient is φ = 140244210.

The previous prime is 140244161. The next prime is 140244227. The reversal of 140244211 is 112442041.

It is a strong prime.

It is an emirp because it is prime and its reverse (112442041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140244211 - 29 = 140243699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140244281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70122105 + 70122106.

It is an arithmetic number, because the mean of its divisors is an integer number (70122106).

Almost surely, 2140244211 is an apocalyptic number.

140244211 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244211 is an equidigital number, since it uses as much as digits as its factorization.

140244211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 140244211 is about 11842.4748680333. The cubic root of 140244211 is about 519.5511548444.

Adding to 140244211 its reverse (112442041), we get a palindrome (252686252).

The spelling of 140244211 in words is "one hundred forty million, two hundred forty-four thousand, two hundred eleven".