Base | Representation |
---|---|
bin | 11110110011011… |
… | …00000100111110 |
3 | 200000012200201020 |
4 | 33121230010332 |
5 | 1012122024012 |
6 | 41350125010 |
7 | 6255204363 |
oct | 1731540476 |
9 | 600180636 |
10 | 258392382 |
11 | 122946026 |
12 | 72650766 |
13 | 416c0601 |
14 | 2646246a |
15 | 17a40a8c |
hex | f66c13e |
258392382 has 16 divisors (see below), whose sum is σ = 520504320. Its totient is φ = 85510872.
The previous prime is 258392353. The next prime is 258392389. The reversal of 258392382 is 283293852.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258392389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154078 + ... + 155745.
It is an arithmetic number, because the mean of its divisors is an integer number (32531520).
Almost surely, 2258392382 is an apocalyptic number.
258392382 is an abundant number, since it is smaller than the sum of its proper divisors (262111938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258392382 is a wasteful number, since it uses less digits than its factorization.
258392382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309967.
The product of its digits is 207360, while the sum is 42.
The square root of 258392382 is about 16074.5880818141. The cubic root of 258392382 is about 636.9322440659.
The spelling of 258392382 in words is "two hundred fifty-eight million, three hundred ninety-two thousand, three hundred eighty-two".
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