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242422345 = 51110342793
BaseRepresentation
bin11100111001100…
…01001001001001
3121220011022221101
432130301021021
5444030003340
640015541401
76002361454
oct1634611111
9556138841
10242422345
11114928550
126922a861
133b2bb599
14242a649b
1516438c9a
hexe731249

242422345 has 16 divisors (see below), whose sum is σ = 320441472. Its totient is φ = 174591360.

The previous prime is 242422343. The next prime is 242422351. The reversal of 242422345 is 543224242.

It is not a de Polignac number, because 242422345 - 21 = 242422343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242422343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15732 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (20027592).

Almost surely, 2242422345 is an apocalyptic number.

It is an amenable number.

242422345 is a deficient number, since it is larger than the sum of its proper divisors (78019127).

242422345 is a wasteful number, since it uses less digits than its factorization.

242422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42912.

The product of its digits is 15360, while the sum is 28.

The square root of 242422345 is about 15569.9179509720. The cubic root of 242422345 is about 623.5302809907.

Adding to 242422345 its reverse (543224242), we get a palindrome (785646587).

The spelling of 242422345 in words is "two hundred forty-two million, four hundred twenty-two thousand, three hundred forty-five".

Divisors: 1 5 11 55 103 515 1133 5665 42793 213965 470723 2353615 4407679 22038395 48484469 242422345