Base | Representation |
---|---|
bin | 11011011101000… |
… | …10010110011101 |
3 | 121001100121111200 |
4 | 31232202112131 |
5 | 432424200013 |
6 | 34504110113 |
7 | 5464354464 |
oct | 1556422635 |
9 | 531317450 |
10 | 230303133 |
11 | 109000175 |
12 | 65165339 |
13 | 38937258 |
14 | 2282d9db |
15 | 15342e73 |
hex | dba259d |
230303133 has 24 divisors (see below), whose sum is σ = 343628376. Its totient is φ = 148521600.
The previous prime is 230303113. The next prime is 230303173. The reversal of 230303133 is 331303032.
230303133 is a `hidden beast` number, since 230 + 303 + 133 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 54952569 + 175350564 = 7413^2 + 13242^2 .
It is not a de Polignac number, because 230303133 - 213 = 230294941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230303113) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58363 + ... + 62183.
It is an arithmetic number, because the mean of its divisors is an integer number (14317849).
Almost surely, 2230303133 is an apocalyptic number.
It is an amenable number.
230303133 is a deficient number, since it is larger than the sum of its proper divisors (113325243).
230303133 is a wasteful number, since it uses less digits than its factorization.
230303133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4045 (or 4042 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
The square root of 230303133 is about 15175.7415963768. The cubic root of 230303133 is about 612.9616194090.
Adding to 230303133 its reverse (331303032), we get a palindrome (561606165).
The spelling of 230303133 in words is "two hundred thirty million, three hundred three thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •