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242680311 = 3228195959
BaseRepresentation
bin11100111011100…
…00000111110111
3121220122102210200
432131300013313
5444111232221
640025251543
76004514526
oct1635600767
9556572720
10242680311
11114a94345
1269333bb3
133b37bb23
14243324bd
151648a426
hexe7701f7

242680311 has 12 divisors (see below), whose sum is σ = 351789360. Its totient is φ = 161209440.

The previous prime is 242680309. The next prime is 242680327. The reversal of 242680311 is 113086242.

It is not a de Polignac number, because 242680311 - 21 = 242680309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242680351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45451 + ... + 50508.

It is an arithmetic number, because the mean of its divisors is an integer number (29315780).

Almost surely, 2242680311 is an apocalyptic number.

242680311 is a deficient number, since it is larger than the sum of its proper divisors (109109049).

242680311 is a wasteful number, since it uses less digits than its factorization.

242680311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96246 (or 96243 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 242680311 is about 15578.1998639124. The cubic root of 242680311 is about 623.7513725350.

The spelling of 242680311 in words is "two hundred forty-two million, six hundred eighty thousand, three hundred eleven".

Divisors: 1 3 9 281 843 2529 95959 287877 863631 26964479 80893437 242680311