Search a number
-
+
242424001 is a prime number
BaseRepresentation
bin11100111001100…
…01100011000001
3121220011102012201
432130301203001
5444030032001
640015553201
76002366341
oct1634614301
9556142181
10242424001
11114929816
126922b801
133b2bc271
14242a6d21
1516439501
hexe7318c1

242424001 has 2 divisors, whose sum is σ = 242424002. Its totient is φ = 242424000.

The previous prime is 242423971. The next prime is 242424011. The reversal of 242424001 is 100424242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135839025 + 106584976 = 11655^2 + 10324^2 .

It is a cyclic number.

It is not a de Polignac number, because 242424001 - 27 = 242423873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242424001.

It is not a weakly prime, because it can be changed into another prime (242424011) 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, 121212000 + 121212001.

It is an arithmetic number, because the mean of its divisors is an integer number (121212001).

Almost surely, 2242424001 is an apocalyptic number.

It is an amenable number.

242424001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242424001 is an equidigital number, since it uses as much as digits as its factorization.

242424001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 242424001 is about 15569.9711303522. The cubic root of 242424001 is about 623.5317007771.

Adding to 242424001 its reverse (100424242), we get a palindrome (342848243).

The spelling of 242424001 in words is "two hundred forty-two million, four hundred twenty-four thousand, one".