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242313665 = 51117259159
BaseRepresentation
bin11100111000101…
…10100111000001
3121212221210212012
432130112213001
5444013014130
640013342305
76001426556
oct1634264701
9555853765
10242313665
11114863930
1269197995
133b280c89
1424278a2d
1516416995
hexe7169c1

242313665 has 16 divisors (see below), whose sum is σ = 335871360. Its totient is φ = 165861120.

The previous prime is 242313653. The next prime is 242313667. The reversal of 242313665 is 566313242.

242313665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242313665 - 210 = 242312641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242313667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128645 + ... + 130514.

It is an arithmetic number, because the mean of its divisors is an integer number (20991960).

Almost surely, 2242313665 is an apocalyptic number.

It is an amenable number.

242313665 is a deficient number, since it is larger than the sum of its proper divisors (93557695).

242313665 is a wasteful number, since it uses less digits than its factorization.

242313665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259192.

The product of its digits is 25920, while the sum is 32.

The square root of 242313665 is about 15566.4274963782. The cubic root of 242313665 is about 623.4370890863.

The spelling of 242313665 in words is "two hundred forty-two million, three hundred thirteen thousand, six hundred sixty-five".

Divisors: 1 5 11 17 55 85 187 935 259159 1295795 2850749 4405703 14253745 22028515 48462733 242313665