Base | Representation |
---|---|
bin | 11011011010111… |
… | …01010011011001 |
3 | 121000211020112212 |
4 | 31231131103121 |
5 | 432341122223 |
6 | 34454044505 |
7 | 5462066105 |
oct | 1555352331 |
9 | 530736485 |
10 | 230020313 |
11 | 108927736 |
12 | 65049735 |
13 | 388685c3 |
14 | 22798905 |
15 | 152d9278 |
hex | db5d4d9 |
230020313 has 4 divisors (see below), whose sum is σ = 233453520. Its totient is φ = 226587108.
The previous prime is 230020283. The next prime is 230020331. The reversal of 230020313 is 313020032.
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 230020313 - 26 = 230020249 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (230020393) 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, 1716503 + ... + 1716636.
It is an arithmetic number, because the mean of its divisors is an integer number (58363380).
Almost surely, 2230020313 is an apocalyptic number.
It is an amenable number.
230020313 is a deficient number, since it is larger than the sum of its proper divisors (3433207).
230020313 is an equidigital number, since it uses as much as digits as its factorization.
230020313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3433206.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 230020313 is about 15166.4205730950. The cubic root of 230020313 is about 612.7106041283.
Adding to 230020313 its reverse (313020032), we get a palindrome (543040345).
The spelling of 230020313 in words is "two hundred thirty million, twenty thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •