Base | Representation |
---|---|
bin | 11110110010111… |
… | …10110011000001 |
3 | 200000002221002112 |
4 | 33121132303001 |
5 | 1012113303420 |
6 | 41345025105 |
7 | 6254556653 |
oct | 1731366301 |
9 | 600087075 |
10 | 258337985 |
11 | 122909174 |
12 | 72625195 |
13 | 416a1919 |
14 | 2644a6d3 |
15 | 17a2e8c5 |
hex | f65ecc1 |
258337985 has 8 divisors (see below), whose sum is σ = 311242176. Its totient is φ = 205846000.
The previous prime is 258337943. The next prime is 258338009. The reversal of 258337985 is 589733852.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 258337985 - 26 = 258337921 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101669 + ... + 104178.
It is an arithmetic number, because the mean of its divisors is an integer number (38905272).
Almost surely, 2258337985 is an apocalyptic number.
It is an amenable number.
258337985 is a deficient number, since it is larger than the sum of its proper divisors (52904191).
258337985 is a wasteful number, since it uses less digits than its factorization.
258337985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206103.
The product of its digits is 1814400, while the sum is 50.
The square root of 258337985 is about 16072.8959742792. The cubic root of 258337985 is about 636.8875450767.
The spelling of 258337985 in words is "two hundred fifty-eight million, three hundred thirty-seven thousand, nine hundred eighty-five".
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