Base | Representation |
---|---|
bin | 11011011100100… |
… | …11010101101101 |
3 | 121001020111011100 |
4 | 31232103111231 |
5 | 432420213040 |
6 | 34502513313 |
7 | 5464010304 |
oct | 1556232555 |
9 | 531214140 |
10 | 230241645 |
11 | 108a68a57 |
12 | 65135839 |
13 | 3891527a |
14 | 2281543b |
15 | 1532eb30 |
hex | db9356d |
230241645 has 24 divisors (see below), whose sum is σ = 399443616. Its totient is φ = 122685408.
The previous prime is 230241631. The next prime is 230241667. The reversal of 230241645 is 546142032.
It is not a de Polignac number, because 230241645 - 215 = 230208877 is a prime.
It is a super-3 number, since 3×2302416453 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 84474 + ... + 87156.
It is an arithmetic number, because the mean of its divisors is an integer number (16643484).
Almost surely, 2230241645 is an apocalyptic number.
It is an amenable number.
230241645 is a deficient number, since it is larger than the sum of its proper divisors (169201971).
230241645 is a wasteful number, since it uses less digits than its factorization.
230241645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4601 (or 4598 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 230241645 is about 15173.7155963857. The cubic root of 230241645 is about 612.9070635745.
Adding to 230241645 its reverse (546142032), we get a palindrome (776383677).
The spelling of 230241645 in words is "two hundred thirty million, two hundred forty-one thousand, six hundred forty-five".
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