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242243333 is a prime number
BaseRepresentation
bin11100111000001…
…01011100000101
3121212211020101022
432130011130011
5444003241313
640012040525
76001014533
oct1634053405
9555736338
10242243333
11114816002
1269163145
133b257c67
142425b153
1516400c08
hexe705705

242243333 has 2 divisors, whose sum is σ = 242243334. Its totient is φ = 242243332.

The previous prime is 242243303. The next prime is 242243359. The reversal of 242243333 is 333342242.

It is an a-pointer prime, because the next prime (242243359) can be obtained adding 242243333 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226743364 + 15499969 = 15058^2 + 3937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242243333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242243303) 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, 121121666 + 121121667.

It is an arithmetic number, because the mean of its divisors is an integer number (121121667).

Almost surely, 2242243333 is an apocalyptic number.

It is an amenable number.

242243333 is a deficient number, since it is larger than the sum of its proper divisors (1).

242243333 is an equidigital number, since it uses as much as digits as its factorization.

242243333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 26.

The square root of 242243333 is about 15564.1682399028. The cubic root of 242243333 is about 623.3767653177.

Adding to 242243333 its reverse (333342242), we get a palindrome (575585575).

The spelling of 242243333 in words is "two hundred forty-two million, two hundred forty-three thousand, three hundred thirty-three".