Base | Representation |
---|---|
bin | 11011011101000… |
… | …11110111000101 |
3 | 121001100220222201 |
4 | 31232203313011 |
5 | 432424344232 |
6 | 34504154501 |
7 | 5464411510 |
oct | 1556436705 |
9 | 531326881 |
10 | 230309317 |
11 | 109004887 |
12 | 65168a31 |
13 | 3893a004 |
14 | 22831d77 |
15 | 15344be7 |
hex | dba3dc5 |
230309317 has 16 divisors (see below), whose sum is σ = 278208000. Its totient is φ = 186246000.
The previous prime is 230309291. The next prime is 230309347. The reversal of 230309317 is 713903032.
It is a cyclic number.
It is not a de Polignac number, because 230309317 - 219 = 229785029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230309347) 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 15 ways as a sum of consecutive naturals, for example, 29934 + ... + 36832.
It is an arithmetic number, because the mean of its divisors is an integer number (17388000).
Almost surely, 2230309317 is an apocalyptic number.
It is an amenable number.
230309317 is a deficient number, since it is larger than the sum of its proper divisors (47898683).
230309317 is a wasteful number, since it uses less digits than its factorization.
230309317 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7176.
The product of its (nonzero) digits is 3402, while the sum is 28.
The square root of 230309317 is about 15175.9453412300. The cubic root of 230309317 is about 612.9671056865.
The spelling of 230309317 in words is "two hundred thirty million, three hundred nine thousand, three hundred seventeen".
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