Base | Representation |
---|---|
bin | 11001101001100… |
… | …111110001100101 |
3 | 1002222202121011202 |
4 | 121221213301211 |
5 | 1340131404341 |
6 | 110411412245 |
7 | 13443561062 |
oct | 3151476145 |
9 | 1088677152 |
10 | 430341221 |
11 | 200a09802 |
12 | 100154085 |
13 | 6b20599b |
14 | 41221c69 |
15 | 27ba879b |
hex | 19a67c65 |
430341221 has 4 divisors (see below), whose sum is σ = 437635200. Its totient is φ = 423047244.
The previous prime is 430341217. The next prime is 430341227. The reversal of 430341221 is 122143034.
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 430341221 - 22 = 430341217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 430341193 and 430341202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430341227) 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, 3646901 + ... + 3647018.
It is an arithmetic number, because the mean of its divisors is an integer number (109408800).
Almost surely, 2430341221 is an apocalyptic number.
It is an amenable number.
430341221 is a deficient number, since it is larger than the sum of its proper divisors (7293979).
430341221 is an equidigital number, since it uses as much as digits as its factorization.
430341221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7293978.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 430341221 is about 20744.6672906557. The cubic root of 430341221 is about 754.9838284331.
Adding to 430341221 its reverse (122143034), we get a palindrome (552484255).
The spelling of 430341221 in words is "four hundred thirty million, three hundred forty-one thousand, two hundred twenty-one".
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