Base | Representation |
---|---|
bin | 11011011101000… |
… | …11000010100101 |
3 | 121001100202101021 |
4 | 31232203002211 |
5 | 432424242312 |
6 | 34504131141 |
7 | 5464365640 |
oct | 1556430245 |
9 | 531322337 |
10 | 230305957 |
11 | 109002302 |
12 | 65166ab1 |
13 | 3893861b |
14 | 22830a57 |
15 | 15343c07 |
hex | dba30a5 |
230305957 has 8 divisors (see below), whose sum is σ = 265813632. Its totient is φ = 195450000.
The previous prime is 230305931. The next prime is 230305961. The reversal of 230305957 is 759503032.
230305957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230305957 - 215 = 230273189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230305657) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162169 + ... + 163582.
It is an arithmetic number, because the mean of its divisors is an integer number (33226704).
Almost surely, 2230305957 is an apocalyptic number.
It is an amenable number.
230305957 is a deficient number, since it is larger than the sum of its proper divisors (35507675).
230305957 is a wasteful number, since it uses less digits than its factorization.
230305957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325859.
The product of its (nonzero) digits is 28350, while the sum is 34.
The square root of 230305957 is about 15175.8346393205. The cubic root of 230305957 is about 612.9641247976.
Adding to 230305957 its reverse (759503032), we get a palindrome (989808989).
The spelling of 230305957 in words is "two hundred thirty million, three hundred five thousand, nine hundred fifty-seven".
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