Base | Representation |
---|---|
bin | 11001101010010… |
… | …001110001000100 |
3 | 1010000002100010002 |
4 | 121222101301010 |
5 | 1340202410340 |
6 | 110415220432 |
7 | 13445205404 |
oct | 3152216104 |
9 | 1100070102 |
10 | 430513220 |
11 | 201016a55 |
12 | 100217718 |
13 | 6b266067 |
14 | 41268804 |
15 | 27bde715 |
hex | 19a91c44 |
430513220 has 36 divisors (see below), whose sum is σ = 913390380. Its totient is φ = 170449344.
The previous prime is 430513211. The next prime is 430513247. The reversal of 430513220 is 22315034.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 328624384 + 101888836 = 18128^2 + 10094^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 430513192 and 430513201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211166 + ... + 213194.
It is an arithmetic number, because the mean of its divisors is an integer number (25371955).
Almost surely, 2430513220 is an apocalyptic number.
It is an amenable number.
430513220 is an abundant number, since it is smaller than the sum of its proper divisors (482877160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430513220 is a wasteful number, since it uses less digits than its factorization.
430513220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2244 (or 2139 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 430513220 is about 20748.8124961406. The cubic root of 430513220 is about 755.0843991435.
Adding to 430513220 its reverse (22315034), we get a palindrome (452828254).
The spelling of 430513220 in words is "four hundred thirty million, five hundred thirteen thousand, two hundred twenty".
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