Base | Representation |
---|---|
bin | 11011011110001… |
… | …00110101111101 |
3 | 121001121210022021 |
4 | 31233010311331 |
5 | 432443210123 |
6 | 34511120141 |
7 | 5465513413 |
oct | 1557046575 |
9 | 531553267 |
10 | 230444413 |
11 | 109097331 |
12 | 65213051 |
13 | 38986654 |
14 | 228692b3 |
15 | 1536ec5d |
hex | dbc4d7d |
230444413 has 4 divisors (see below), whose sum is σ = 230584320. Its totient is φ = 230304508.
The previous prime is 230444393. The next prime is 230444449. The reversal of 230444413 is 314444032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 230444413 - 25 = 230444381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230444213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67453 + ... + 70786.
It is an arithmetic number, because the mean of its divisors is an integer number (57646080).
Almost surely, 2230444413 is an apocalyptic number.
It is an amenable number.
230444413 is a deficient number, since it is larger than the sum of its proper divisors (139907).
230444413 is a wasteful number, since it uses less digits than its factorization.
230444413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139906.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 230444413 is about 15180.3956799551. The cubic root of 230444413 is about 613.0869347044.
Adding to 230444413 its reverse (314444032), we get a palindrome (544888445).
The spelling of 230444413 in words is "two hundred thirty million, four hundred forty-four thousand, four hundred thirteen".
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