Search a number
-
+
242420333 is a prime number
BaseRepresentation
bin11100111001100…
…00101001101101
3121220011020011212
432130300221231
5444024422313
640015524205
76002352551
oct1634605155
9556136155
10242420333
11114926a91
1269229665
133b2ba6ac
14242a5861
15164383a8
hexe730a6d

242420333 has 2 divisors, whose sum is σ = 242420334. Its totient is φ = 242420332.

The previous prime is 242420317. The next prime is 242420351. The reversal of 242420333 is 333024242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210192004 + 32228329 = 14498^2 + 5677^2 .

It is a cyclic number.

It is not a de Polignac number, because 242420333 - 24 = 242420317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242420299 and 242420308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242420303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121210166 + 121210167.

It is an arithmetic number, because the mean of its divisors is an integer number (121210167).

Almost surely, 2242420333 is an apocalyptic number.

It is an amenable number.

242420333 is a deficient number, since it is larger than the sum of its proper divisors (1).

242420333 is an equidigital number, since it uses as much as digits as its factorization.

242420333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 242420333 is about 15569.8533390652. The cubic root of 242420333 is about 623.5285559759.

Adding to 242420333 its reverse (333024242), we get a palindrome (575444575).

The spelling of 242420333 in words is "two hundred forty-two million, four hundred twenty thousand, three hundred thirty-three".