Base | Representation |
---|---|
bin | 11011011100010… |
… | …11100111010101 |
3 | 121001011212202111 |
4 | 31232023213111 |
5 | 432413210010 |
6 | 34502111021 |
7 | 5463516124 |
oct | 1556134725 |
9 | 531155674 |
10 | 230210005 |
11 | 108a47203 |
12 | 6511b471 |
13 | 38903a4c |
14 | 22807abb |
15 | 1532558a |
hex | db8b9d5 |
230210005 has 32 divisors (see below), whose sum is σ = 301001184. Its totient is φ = 168370176.
The previous prime is 230209997. The next prime is 230210021. The reversal of 230210005 is 500012032.
It can be written as a sum of positive squares in 16 ways, for example, as 4218916 + 225991089 = 2054^2 + 15033^2 .
It is not a de Polignac number, because 230210005 - 23 = 230209997 is a prime.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 616999 + ... + 617371.
It is an arithmetic number, because the mean of its divisors is an integer number (9406287).
Almost surely, 2230210005 is an apocalyptic number.
It is an amenable number.
230210005 is a deficient number, since it is larger than the sum of its proper divisors (70791179).
230210005 is a wasteful number, since it uses less digits than its factorization.
230210005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585.
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 230210005 is about 15172.6729682017. The cubic root of 230210005 is about 612.8789868875.
Adding to 230210005 its reverse (500012032), we get a palindrome (730222037).
The spelling of 230210005 in words is "two hundred thirty million, two hundred ten thousand, five".
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