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212424203 is a prime number
BaseRepresentation
bin11001010100101…
…01011000001011
3112210201021020002
430222111120023
5413340033303
633024553215
75156401355
oct1452253013
9483637202
10212424203
11a99a94a2
125b18280b
13350173c4
14202d80d5
15139b0788
hexca9560b

212424203 has 2 divisors, whose sum is σ = 212424204. Its totient is φ = 212424202.

The previous prime is 212424169. The next prime is 212424227. The reversal of 212424203 is 302424212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212424203 - 216 = 212358667 is a prime.

It is not a weakly prime, because it can be changed into another prime (212424283) 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, 106212101 + 106212102.

It is an arithmetic number, because the mean of its divisors is an integer number (106212102).

Almost surely, 2212424203 is an apocalyptic number.

212424203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212424203 is an equidigital number, since it uses as much as digits as its factorization.

212424203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 212424203 is about 14574.7796895871. The cubic root of 212424203 is about 596.6706365885.

Adding to 212424203 its reverse (302424212), we get a palindrome (514848415).

Subtracting 212424203 from its reverse (302424212), we obtain a palindrome (90000009).

The spelling of 212424203 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred three".