Base | Representation |
---|---|
bin | 11011011011101… |
… | …00000010100101 |
3 | 121000222222022012 |
4 | 31231310002211 |
5 | 432402112240 |
6 | 34500044005 |
7 | 5462634452 |
oct | 1555640245 |
9 | 530888265 |
10 | 230113445 |
11 | 108990701 |
12 | 65093605 |
13 | 3889bb03 |
14 | 227c0829 |
15 | 15306b65 |
hex | db740a5 |
230113445 has 16 divisors (see below), whose sum is σ = 294014448. Its totient is φ = 172293120.
The previous prime is 230113423. The next prime is 230113453. The reversal of 230113445 is 544311032.
230113445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 33721249 + 196392196 = 5807^2 + 14014^2 .
It is not a de Polignac number, because 230113445 - 214 = 230097061 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230113445.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7907 + ... + 22863.
It is an arithmetic number, because the mean of its divisors is an integer number (18375903).
Almost surely, 2230113445 is an apocalyptic number.
It is an amenable number.
230113445 is a deficient number, since it is larger than the sum of its proper divisors (63901003).
230113445 is a wasteful number, since it uses less digits than its factorization.
230113445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15160.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 230113445 is about 15169.4905979074. The cubic root of 230113445 is about 612.7932856150.
Adding to 230113445 its reverse (544311032), we get a palindrome (774424477).
The spelling of 230113445 in words is "two hundred thirty million, one hundred thirteen thousand, four hundred forty-five".
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