Base | Representation |
---|---|
bin | 11100111000101… |
… | …00010001111001 |
3 | 121212221022202201 |
4 | 32130110101321 |
5 | 444012212441 |
6 | 40013230201 |
7 | 6001360003 |
oct | 1634242171 |
9 | 555838681 |
10 | 242304121 |
11 | 114857744 |
12 | 69192361 |
13 | 3b279827 |
14 | 24275373 |
15 | 16413c31 |
hex | e714479 |
242304121 has 2 divisors, whose sum is σ = 242304122. Its totient is φ = 242304120.
The previous prime is 242304119. The next prime is 242304133. The reversal of 242304121 is 121403242.
242304121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 143520400 + 98783721 = 11980^2 + 9939^2 .
It is a cyclic number.
It is not a de Polignac number, because 242304121 - 21 = 242304119 is a prime.
It is a super-2 number, since 2×2423041212 = 117422574107165282, which contains 22 as substring.
Together with 242304119, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (242304221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121152060 + 121152061.
It is an arithmetic number, because the mean of its divisors is an integer number (121152061).
Almost surely, 2242304121 is an apocalyptic number.
It is an amenable number.
242304121 is a deficient number, since it is larger than the sum of its proper divisors (1).
242304121 is an equidigital number, since it uses as much as digits as its factorization.
242304121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 242304121 is about 15566.1209361870. The cubic root of 242304121 is about 623.4289038804.
Adding to 242304121 its reverse (121403242), we get a palindrome (363707363).
The spelling of 242304121 in words is "two hundred forty-two million, three hundred four thousand, one hundred twenty-one".
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