Base | Representation |
---|---|
bin | 11011011110001… |
… | …00101001111111 |
3 | 121001121202020220 |
4 | 31233010221333 |
5 | 432443144042 |
6 | 34511112423 |
7 | 5465511240 |
oct | 1557045177 |
9 | 531552226 |
10 | 230443647 |
11 | 1090967a5 |
12 | 65212713 |
13 | 389861b5 |
14 | 22868cc7 |
15 | 1536e8ec |
hex | dbc4a7f |
230443647 has 32 divisors (see below), whose sum is σ = 385720320. Its totient is φ = 119322720.
The previous prime is 230443643. The next prime is 230443649. The reversal of 230443647 is 746344032.
It is not a de Polignac number, because 230443647 - 22 = 230443643 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230443643) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3379 + ... + 21732.
It is an arithmetic number, because the mean of its divisors is an integer number (12053760).
Almost surely, 2230443647 is an apocalyptic number.
230443647 is a deficient number, since it is larger than the sum of its proper divisors (155276673).
230443647 is a wasteful number, since it uses less digits than its factorization.
230443647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25163.
The product of its (nonzero) digits is 48384, while the sum is 33.
The square root of 230443647 is about 15180.3704500253. The cubic root of 230443647 is about 613.0862554009.
Adding to 230443647 its reverse (746344032), we get a palindrome (976787679).
The spelling of 230443647 in words is "two hundred thirty million, four hundred forty-three thousand, six hundred forty-seven".
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