Base | Representation |
---|---|
bin | 1000010011110001… |
… | …1011001010100101 |
3 | 12202102221201002012 |
4 | 2010330123022211 |
5 | 14031442314141 |
6 | 1005153524005 |
7 | 106162235300 |
oct | 20474331245 |
9 | 5672851065 |
10 | 2230432421 |
11 | a45025988 |
12 | 522b73605 |
13 | 2971283c9 |
14 | 17231db37 |
15 | d0c2dceb |
hex | 84f1b2a5 |
2230432421 has 6 divisors (see below), whose sum is σ = 2594584710. Its totient is φ = 1911799176.
The previous prime is 2230432387. The next prime is 2230432433. The reversal of 2230432421 is 1242340322.
It can be written as a sum of positive squares in only one way, i.e., 1455422500 + 775009921 = 38150^2 + 27839^2 .
It is not a de Polignac number, because 2230432421 - 222 = 2226238117 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 (2230432481) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22759466 + ... + 22759563.
It is an arithmetic number, because the mean of its divisors is an integer number (432430785).
Almost surely, 22230432421 is an apocalyptic number.
It is an amenable number.
2230432421 is a deficient number, since it is larger than the sum of its proper divisors (364152289).
2230432421 is an equidigital number, since it uses as much as digits as its factorization.
2230432421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45519043 (or 45519036 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
The square root of 2230432421 is about 47227.4541024604. The cubic root of 2230432421 is about 1306.5609973363.
Adding to 2230432421 its reverse (1242340322), we get a palindrome (3472772743).
The spelling of 2230432421 in words is "two billion, two hundred thirty million, four hundred thirty-two thousand, four hundred twenty-one".
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