Base | Representation |
---|---|
bin | 11011100000110… |
… | …00010100010001 |
3 | 121002021011022112 |
4 | 31300120110101 |
5 | 433040130241 |
6 | 34522315105 |
7 | 5501436263 |
oct | 1560302421 |
9 | 532234275 |
10 | 230786321 |
11 | 1093001a7 |
12 | 65358a95 |
13 | 38a7616c |
14 | 22917b33 |
15 | 153db1eb |
hex | dc18511 |
230786321 has 8 divisors (see below), whose sum is σ = 240214080. Its totient is φ = 221456592.
The previous prime is 230786299. The next prime is 230786359. The reversal of 230786321 is 123687032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230786321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230786821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19685 + ... + 29138.
It is an arithmetic number, because the mean of its divisors is an integer number (30026760).
Almost surely, 2230786321 is an apocalyptic number.
It is an amenable number.
230786321 is a deficient number, since it is larger than the sum of its proper divisors (9427759).
230786321 is a wasteful number, since it uses less digits than its factorization.
230786321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49015.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 230786321 is about 15191.6530041994. The cubic root of 230786321 is about 613.3899951262.
The spelling of 230786321 in words is "two hundred thirty million, seven hundred eighty-six thousand, three hundred twenty-one".
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