Base | Representation |
---|---|
bin | 11011011101011… |
… | …00001101011011 |
3 | 121001102122220022 |
4 | 31232230031123 |
5 | 432431443030 |
6 | 34505021055 |
7 | 5464613303 |
oct | 1556541533 |
9 | 531378808 |
10 | 230343515 |
11 | 109028546 |
12 | 6518478b |
13 | 3894c74c |
14 | 22840603 |
15 | 1534ede5 |
hex | dbac35b |
230343515 has 4 divisors (see below), whose sum is σ = 276412224. Its totient is φ = 184274808.
The previous prime is 230343511. The next prime is 230343541. The reversal of 230343515 is 515343032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230343515 - 22 = 230343511 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230343511) 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 3 ways as a sum of consecutive naturals, for example, 23034347 + ... + 23034356.
It is an arithmetic number, because the mean of its divisors is an integer number (69103056).
Almost surely, 2230343515 is an apocalyptic number.
230343515 is a deficient number, since it is larger than the sum of its proper divisors (46068709).
230343515 is an equidigital number, since it uses as much as digits as its factorization.
230343515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46068708.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 230343515 is about 15177.0720166968. The cubic root of 230343515 is about 612.9974434542.
Adding to 230343515 its reverse (515343032), we get a palindrome (745686547).
The spelling of 230343515 in words is "two hundred thirty million, three hundred forty-three thousand, five hundred fifteen".
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