Base | Representation |
---|---|
bin | 11110110100110… |
… | …11111001010100 |
3 | 200000120122101101 |
4 | 33122123321110 |
5 | 1012144310434 |
6 | 41354235444 |
7 | 6256651405 |
oct | 1732337124 |
9 | 600518341 |
10 | 258588244 |
11 | 122a6a1a2 |
12 | 72725b84 |
13 | 4175b7c5 |
14 | 264b39ac |
15 | 17a7db14 |
hex | f69be54 |
258588244 has 24 divisors (see below), whose sum is σ = 468888840. Its totient is φ = 124634496.
The previous prime is 258588229. The next prime is 258588247. The reversal of 258588244 is 442885852.
It can be written as a sum of positive squares in 4 ways, for example, as 64320400 + 194267844 = 8020^2 + 13938^2 .
It is a junction number, because it is equal to n+sod(n) for n = 258588194 and 258588203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258588247) 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, 91054 + ... + 93850.
It is an arithmetic number, because the mean of its divisors is an integer number (19537035).
Almost surely, 2258588244 is an apocalyptic number.
It is an amenable number.
258588244 is a deficient number, since it is larger than the sum of its proper divisors (210300596).
258588244 is a wasteful number, since it uses less digits than its factorization.
258588244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).
The product of its digits is 819200, while the sum is 46.
The square root of 258588244 is about 16080.6792145108. The cubic root of 258588244 is about 637.0931354398.
The spelling of 258588244 in words is "two hundred fifty-eight million, five hundred eighty-eight thousand, two hundred forty-four".
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