Base | Representation |
---|---|
bin | 11011011101111… |
… | …11001010000011 |
3 | 121001120121100200 |
4 | 31232333022003 |
5 | 432441433443 |
6 | 34510420243 |
7 | 5465355462 |
oct | 1556771203 |
9 | 531517320 |
10 | 230421123 |
11 | 109080889 |
12 | 65201683 |
13 | 38978b7a |
14 | 228609d9 |
15 | 15367dd3 |
hex | dbbf283 |
230421123 has 12 divisors (see below), whose sum is σ = 333727680. Its totient is φ = 153200016.
The previous prime is 230421091. The next prime is 230421131. The reversal of 230421123 is 321124032.
230421123 is a `hidden beast` number, since 230 + 421 + 12 + 3 = 666.
It is not a de Polignac number, because 230421123 - 25 = 230421091 is a prime.
It is a super-2 number, since 2×2304211232 = 106187787849162258, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230421096 and 230421105.
It is not an unprimeable number, because it can be changed into a prime (230421143) 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 11 ways as a sum of consecutive naturals, for example, 30963 + ... + 37676.
It is an arithmetic number, because the mean of its divisors is an integer number (27810640).
Almost surely, 2230421123 is an apocalyptic number.
230421123 is a deficient number, since it is larger than the sum of its proper divisors (103306557).
230421123 is a wasteful number, since it uses less digits than its factorization.
230421123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69018 (or 69015 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 230421123 is about 15179.6285527677. The cubic root of 230421123 is about 613.0662800115.
Adding to 230421123 its reverse (321124032), we get a palindrome (551545155).
The spelling of 230421123 in words is "two hundred thirty million, four hundred twenty-one thousand, one hundred twenty-three".
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