Base | Representation |
---|---|
bin | 11011011100100… |
… | …11100100111101 |
3 | 121001020112111111 |
4 | 31232103210331 |
5 | 432420230441 |
6 | 34502522021 |
7 | 5464013200 |
oct | 1556234475 |
9 | 531215444 |
10 | 230242621 |
11 | 108a69764 |
12 | 65136311 |
13 | 3891584b |
14 | 22815937 |
15 | 15330081 |
hex | db9393d |
230242621 has 12 divisors (see below), whose sum is σ = 268301280. Its totient is φ = 197006040.
The previous prime is 230242591. The next prime is 230242637. The reversal of 230242621 is 126242032.
It is not a de Polignac number, because 230242621 - 29 = 230242109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230242592 and 230242601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230242651) 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 11 ways as a sum of consecutive naturals, for example, 26536 + ... + 34126.
It is an arithmetic number, because the mean of its divisors is an integer number (22358440).
Almost surely, 2230242621 is an apocalyptic number.
It is an amenable number.
230242621 is a deficient number, since it is larger than the sum of its proper divisors (38058659).
230242621 is an equidigital number, since it uses as much as digits as its factorization.
230242621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8224 (or 8217 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 230242621 is about 15173.7477572286. The cubic root of 230242621 is about 612.9079296160.
Adding to 230242621 its reverse (126242032), we get a palindrome (356484653).
The spelling of 230242621 in words is "two hundred thirty million, two hundred forty-two thousand, six hundred twenty-one".
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