Base | Representation |
---|---|
bin | 11011011101001… |
… | …00100001100001 |
3 | 121001101001201022 |
4 | 31232210201201 |
5 | 432424441113 |
6 | 34504215225 |
7 | 5464422440 |
oct | 1556444141 |
9 | 531331638 |
10 | 230312033 |
11 | 109006926 |
12 | 6516a515 |
13 | 3893b313 |
14 | 22832d57 |
15 | 15345908 |
hex | dba4861 |
230312033 has 4 divisors (see below), whose sum is σ = 263213760. Its totient is φ = 197410308.
The previous prime is 230312029. The next prime is 230312059. The reversal of 230312033 is 330213032.
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 230312033 - 22 = 230312029 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230312003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16450853 + ... + 16450866.
It is an arithmetic number, because the mean of its divisors is an integer number (65803440).
Almost surely, 2230312033 is an apocalyptic number.
It is an amenable number.
230312033 is a deficient number, since it is larger than the sum of its proper divisors (32901727).
230312033 is an equidigital number, since it uses as much as digits as its factorization.
230312033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32901726.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 230312033 is about 15176.0348246833. The cubic root of 230312033 is about 612.9695152172.
Adding to 230312033 its reverse (330213032), we get a palindrome (560525065).
Subtracting 230312033 from its reverse (330213032), we obtain a palindrome (99900999).
The spelling of 230312033 in words is "two hundred thirty million, three hundred twelve thousand, thirty-three".
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