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242922717 = 3290729759
BaseRepresentation
bin11100111101010…
…11010011011101
3121221002202022200
432132223103131
5444142011332
640034402113
76006544332
oct1636532335
9557082280
10242922717
1111513a484
1269430339
133b43526b
1424396989
15164d717c
hexe7ab4dd

242922717 has 12 divisors (see below), whose sum is σ = 351287040. Its totient is φ = 161764488.

The previous prime is 242922689. The next prime is 242922721. The reversal of 242922717 is 717229242.

242922717 is a `hidden beast` number, since 2 + 429 + 227 + 1 + 7 = 666.

It is not a de Polignac number, because 242922717 - 223 = 234534109 is a prime.

It is a super-2 number, since 2×2429227172 = 118022892869324178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242922787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6717 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (29273920).

Almost surely, 2242922717 is an apocalyptic number.

It is an amenable number.

242922717 is a deficient number, since it is larger than the sum of its proper divisors (108364323).

242922717 is a wasteful number, since it uses less digits than its factorization.

242922717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30672 (or 30669 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 242922717 is about 15585.9782176160. The cubic root of 242922717 is about 623.9589855316.

The spelling of 242922717 in words is "two hundred forty-two million, nine hundred twenty-two thousand, seven hundred seventeen".

Divisors: 1 3 9 907 2721 8163 29759 89277 267831 26991413 80974239 242922717