Base | Representation |
---|---|
bin | 11110110011000… |
… | …10000010110111 |
3 | 200000010121100012 |
4 | 33121202002313 |
5 | 1012114220122 |
6 | 41345210435 |
7 | 6254643515 |
oct | 1731420267 |
9 | 600117305 |
10 | 258351287 |
11 | 122918167 |
12 | 72630a1b |
13 | 416a79ac |
14 | 264514b5 |
15 | 17a337e2 |
hex | f6620b7 |
258351287 has 8 divisors (see below), whose sum is σ = 262974240. Its totient is φ = 253740960.
The previous prime is 258351259. The next prime is 258351299. The reversal of 258351287 is 782153852.
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 258351287 - 214 = 258334903 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258351187) 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, 44414 + ... + 49892.
It is an arithmetic number, because the mean of its divisors is an integer number (32871780).
Almost surely, 2258351287 is an apocalyptic number.
258351287 is a deficient number, since it is larger than the sum of its proper divisors (4622953).
258351287 is an equidigital number, since it uses as much as digits as its factorization.
258351287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6313.
The product of its digits is 134400, while the sum is 41.
The square root of 258351287 is about 16073.3097711703. The cubic root of 258351287 is about 636.8984761479.
The spelling of 258351287 in words is "two hundred fifty-eight million, three hundred fifty-one thousand, two hundred eighty-seven".
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