Search a number
-
+
242141117 is a prime number
BaseRepresentation
bin11100110111011…
…00011110111101
3121212122001011112
432123230132331
5443442003432
640005531405
76000110531
oct1633543675
9555561145
10242141117
11114756229
1269113b65
133b22058a
1424231bc1
15163d07b2
hexe6ec7bd

242141117 has 2 divisors, whose sum is σ = 242141118. Its totient is φ = 242141116.

The previous prime is 242141101. The next prime is 242141131. The reversal of 242141117 is 711141242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238733401 + 3407716 = 15451^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 242141117 - 24 = 242141101 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242141092 and 242141101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242141167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121070558 + 121070559.

It is an arithmetic number, because the mean of its divisors is an integer number (121070559).

Almost surely, 2242141117 is an apocalyptic number.

It is an amenable number.

242141117 is a deficient number, since it is larger than the sum of its proper divisors (1).

242141117 is an equidigital number, since it uses as much as digits as its factorization.

242141117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 23.

The square root of 242141117 is about 15560.8841972428. The cubic root of 242141117 is about 623.2890738177.

Adding to 242141117 its reverse (711141242), we get a palindrome (953282359).

The spelling of 242141117 in words is "two hundred forty-two million, one hundred forty-one thousand, one hundred seventeen".