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242524241 is a prime number
BaseRepresentation
bin11100111010010…
…10000001010001
3121220100111201022
432131022001101
5444041233431
640022045225
76003264521
oct1635120121
9556314638
10242524241
11114998063
1269279815
133b325a8b
14242d1681
151645907b
hexe74a051

242524241 has 2 divisors, whose sum is σ = 242524242. Its totient is φ = 242524240.

The previous prime is 242524231. The next prime is 242524267. The reversal of 242524241 is 142425242.

It is an a-pointer prime, because the next prime (242524267) can be obtained adding 242524241 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 100080016 = 11935^2 + 10004^2 .

It is a cyclic number.

It is not a de Polignac number, because 242524241 - 222 = 238329937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242524241.

It is not a weakly prime, because it can be changed into another prime (242524201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121262120 + 121262121.

It is an arithmetic number, because the mean of its divisors is an integer number (121262121).

Almost surely, 2242524241 is an apocalyptic number.

It is an amenable number.

242524241 is a deficient number, since it is larger than the sum of its proper divisors (1).

242524241 is an equidigital number, since it uses as much as digits as its factorization.

242524241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 26.

The square root of 242524241 is about 15573.1898145499. The cubic root of 242524241 is about 623.6176303944.

Adding to 242524241 its reverse (142425242), we get a palindrome (384949483).

The spelling of 242524241 in words is "two hundred forty-two million, five hundred twenty-four thousand, two hundred forty-one".