Base | Representation |
---|---|
bin | 11011011101001… |
… | …10100011000001 |
3 | 121001101111002021 |
4 | 31232212203001 |
5 | 432430222241 |
6 | 34504321441 |
7 | 5464455550 |
oct | 1556464301 |
9 | 531344067 |
10 | 230320321 |
11 | 109012080 |
12 | 65173281 |
13 | 3894201a |
14 | 22835d97 |
15 | 153480d1 |
hex | dba68c1 |
230320321 has 16 divisors (see below), whose sum is σ = 299639808. Its totient is φ = 171666000.
The previous prime is 230320271. The next prime is 230320333. The reversal of 230320321 is 123023032.
230320321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 230320321 - 215 = 230287553 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230320295 and 230320304.
It is not an unprimeable number, because it can be changed into a prime (230320381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63255 + ... + 66796.
It is an arithmetic number, because the mean of its divisors is an integer number (18727488).
Almost surely, 2230320321 is an apocalyptic number.
It is an amenable number.
230320321 is a deficient number, since it is larger than the sum of its proper divisors (69319487).
230320321 is a wasteful number, since it uses less digits than its factorization.
230320321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130092.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 230320321 is about 15176.3078843308. The cubic root of 230320321 is about 612.9768678949.
Adding to 230320321 its reverse (123023032), we get a palindrome (353343353).
The spelling of 230320321 in words is "two hundred thirty million, three hundred twenty thousand, three hundred twenty-one".
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