Base | Representation |
---|---|
bin | 11100011111101… |
… | …11111011000000 |
3 | 121122210121022022 |
4 | 32033313323000 |
5 | 442143322430 |
6 | 35415301012 |
7 | 5631553103 |
oct | 1617677300 |
9 | 548717268 |
10 | 239042240 |
11 | 112a29a78 |
12 | 6807a768 |
13 | 3a6a6c18 |
14 | 23a6673a |
15 | 15ebc4e5 |
hex | e3f7ec0 |
239042240 has 56 divisors (see below), whose sum is σ = 587605632. Its totient is φ = 92528640.
The previous prime is 239042233. The next prime is 239042257. The reversal of 239042240 is 42240932.
It is an unprimeable number.
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, 2129 + ... + 21968.
Almost surely, 2239042240 is an apocalyptic number.
239042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 239042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293802816).
239042240 is an abundant number, since it is smaller than the sum of its proper divisors (348563392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239042240 is a wasteful number, since it uses less digits than its factorization.
239042240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24145 (or 24135 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 239042240 is about 15460.9909126162. The cubic root of 239042240 is about 620.6187371564.
The spelling of 239042240 in words is "two hundred thirty-nine million, forty-two thousand, two hundred forty".
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