Base | Representation |
---|---|
bin | 11100111100011… |
… | …01110110101001 |
3 | 121220212121211222 |
4 | 32132031312221 |
5 | 444124131324 |
6 | 40032031425 |
7 | 6005532545 |
oct | 1636156651 |
9 | 556777758 |
10 | 242802089 |
11 | 115067892 |
12 | 69392575 |
13 | 3b3c239a |
14 | 24364a25 |
15 | 164b155e |
hex | e78dda9 |
242802089 has 8 divisors (see below), whose sum is σ = 245044800. Its totient is φ = 240570000.
The previous prime is 242802073. The next prime is 242802127. The reversal of 242802089 is 980208242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 242802089 - 24 = 242802073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (242802289) 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 7 ways as a sum of consecutive naturals, for example, 47519 + ... + 52379.
It is an arithmetic number, because the mean of its divisors is an integer number (30630600).
Almost surely, 2242802089 is an apocalyptic number.
It is an amenable number.
242802089 is a deficient number, since it is larger than the sum of its proper divisors (2242711).
242802089 is a wasteful number, since it uses less digits than its factorization.
242802089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5311.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 242802089 is about 15582.1079767790. The cubic root of 242802089 is about 623.8556887749.
The spelling of 242802089 in words is "two hundred forty-two million, eight hundred two thousand, eighty-nine".
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