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242108969 is a prime number
BaseRepresentation
bin11100110111001…
…00101000101001
3121212120102001212
432123210220221
5443434441334
640005122505
75666615024
oct1633445051
9555512055
10242108969
11114734063
12690b9435
133b20ba5b
14242241bb
15163c5ece
hexe6e4a29

242108969 has 2 divisors, whose sum is σ = 242108970. Its totient is φ = 242108968.

The previous prime is 242108927. The next prime is 242108981. The reversal of 242108969 is 969801242.

242108969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144889369 + 97219600 = 12037^2 + 9860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242108969 is a prime.

It is a super-2 number, since 2×2421089692 = 117233505740485922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242108869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121054484 + 121054485.

It is an arithmetic number, because the mean of its divisors is an integer number (121054485).

Almost surely, 2242108969 is an apocalyptic number.

It is an amenable number.

242108969 is a deficient number, since it is larger than the sum of its proper divisors (1).

242108969 is an equidigital number, since it uses as much as digits as its factorization.

242108969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 242108969 is about 15559.8511882344. The cubic root of 242108969 is about 623.2614888234.

The spelling of 242108969 in words is "two hundred forty-two million, one hundred eight thousand, nine hundred sixty-nine".