Base | Representation |
---|---|
bin | 11011011100010… |
… | …10000100001111 |
3 | 121001011120001121 |
4 | 31232022010033 |
5 | 432413004123 |
6 | 34502021411 |
7 | 5463461464 |
oct | 1556120417 |
9 | 531146047 |
10 | 230203663 |
11 | 108a42468 |
12 | 65117867 |
13 | 38900bb1 |
14 | 2280566b |
15 | 1532375d |
hex | db8a10f |
230203663 has 4 divisors (see below), whose sum is σ = 234105480. Its totient is φ = 226301848.
The previous prime is 230203657. The next prime is 230203669. The reversal of 230203663 is 366302032.
230203663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (230203657) and next prime (230203669).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230203663 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 (230203669) 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, 1950820 + ... + 1950937.
It is an arithmetic number, because the mean of its divisors is an integer number (58526370).
Almost surely, 2230203663 is an apocalyptic number.
230203663 is a deficient number, since it is larger than the sum of its proper divisors (3901817).
230203663 is an equidigital number, since it uses as much as digits as its factorization.
230203663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3901816.
The product of its (nonzero) digits is 3888, while the sum is 25.
The square root of 230203663 is about 15172.4639726051. The cubic root of 230203663 is about 612.8733588172.
Adding to 230203663 its reverse (366302032), we get a palindrome (596505695).
The spelling of 230203663 in words is "two hundred thirty million, two hundred three thousand, six hundred sixty-three".
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