Base | Representation |
---|---|
bin | 11011011011110… |
… | …11100010010000 |
3 | 121001001112102012 |
4 | 31231323202100 |
5 | 432404103034 |
6 | 34500442052 |
7 | 5463123116 |
oct | 1555734220 |
9 | 531045365 |
10 | 230144144 |
11 | 108a0177a |
12 | 650a9328 |
13 | 388aca89 |
14 | 227cbab6 |
15 | 15310cce |
hex | db7b890 |
230144144 has 20 divisors (see below), whose sum is σ = 457956924. Its totient is φ = 111961728.
The previous prime is 230144137. The next prime is 230144153. The reversal of 230144144 is 441441032.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 189337600 + 40806544 = 13760^2 + 6388^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193787 + ... + 194970.
Almost surely, 2230144144 is an apocalyptic number.
It is an amenable number.
230144144 is a deficient number, since it is larger than the sum of its proper divisors (227812780).
230144144 is a wasteful number, since it uses less digits than its factorization.
230144144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388802 (or 388796 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 230144144 is about 15170.5024307041. The cubic root of 230144144 is about 612.8205349349.
Adding to 230144144 its reverse (441441032), we get a palindrome (671585176).
The spelling of 230144144 in words is "two hundred thirty million, one hundred forty-four thousand, one hundred forty-four".
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