Base | Representation |
---|---|
bin | 11011100000010… |
… | …01111010001001 |
3 | 121002011011100202 |
4 | 31300021322021 |
5 | 433031233210 |
6 | 34521141545 |
7 | 5501102234 |
oct | 1560117211 |
9 | 532134322 |
10 | 230727305 |
11 | 10926a926 |
12 | 6532a8b5 |
13 | 38a55343 |
14 | 2290041b |
15 | 153c89a5 |
hex | dc09e89 |
230727305 has 4 divisors (see below), whose sum is σ = 276872772. Its totient is φ = 184581840.
The previous prime is 230727271. The next prime is 230727311. The reversal of 230727305 is 503727032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 123832384 + 106894921 = 11128^2 + 10339^2 .
It is a de Polignac number, because none of the positive numbers 2k-230727305 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23072726 + ... + 23072735.
It is an arithmetic number, because the mean of its divisors is an integer number (69218193).
Almost surely, 2230727305 is an apocalyptic number.
It is an amenable number.
230727305 is a deficient number, since it is larger than the sum of its proper divisors (46145467).
230727305 is an equidigital number, since it uses as much as digits as its factorization.
230727305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46145466.
The product of its (nonzero) digits is 8820, while the sum is 29.
The square root of 230727305 is about 15189.7104975704. The cubic root of 230727305 is about 613.3377059064.
The spelling of 230727305 in words is "two hundred thirty million, seven hundred twenty-seven thousand, three hundred five".
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