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242315141 is a prime number
BaseRepresentation
bin11100111000101…
…10111110000101
3121212221212212212
432130112332011
5444013041031
640013353205
76001434065
oct1634267605
9555855785
10242315141
11114864a52
1269198805
133b281853
14242793a5
151641712b
hexe716f85

242315141 has 2 divisors, whose sum is σ = 242315142. Its totient is φ = 242315140.

The previous prime is 242315131. The next prime is 242315147. The reversal of 242315141 is 141513242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211557025 + 30758116 = 14545^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 242315141 - 210 = 242314117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242315147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121157570 + 121157571.

It is an arithmetic number, because the mean of its divisors is an integer number (121157571).

Almost surely, 2242315141 is an apocalyptic number.

It is an amenable number.

242315141 is a deficient number, since it is larger than the sum of its proper divisors (1).

242315141 is an equidigital number, since it uses as much as digits as its factorization.

242315141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 242315141 is about 15566.4749060280. The cubic root of 242315141 is about 623.4383549267.

Adding to 242315141 its reverse (141513242), we get a palindrome (383828383).

The spelling of 242315141 in words is "two hundred forty-two million, three hundred fifteen thousand, one hundred forty-one".