Base | Representation |
---|---|
bin | 11001101001111… |
… | …011010000011100 |
3 | 1002222220122122021 |
4 | 121221323100130 |
5 | 1340141433040 |
6 | 110413225524 |
7 | 13444342531 |
oct | 3151732034 |
9 | 1088818567 |
10 | 430421020 |
11 | 200a63757 |
12 | 1001922a4 |
13 | 6b2330c3 |
14 | 41242d88 |
15 | 27bc224a |
hex | 19a7b41c |
430421020 has 12 divisors (see below), whose sum is σ = 903884184. Its totient is φ = 172168400.
The previous prime is 430420981. The next prime is 430421021. The reversal of 430421020 is 20124034.
It is a junction number, because it is equal to n+sod(n) for n = 430420985 and 430421003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430421021) 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, 10760506 + ... + 10760545.
It is an arithmetic number, because the mean of its divisors is an integer number (75323682).
Almost surely, 2430421020 is an apocalyptic number.
It is an amenable number.
430421020 is an abundant number, since it is smaller than the sum of its proper divisors (473463164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430421020 is a wasteful number, since it uses less digits than its factorization.
430421020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21521060 (or 21521058 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 430421020 is about 20746.5905632709. The cubic root of 430421020 is about 755.0304915832.
Adding to 430421020 its reverse (20124034), we get a palindrome (450545054).
The spelling of 430421020 in words is "four hundred thirty million, four hundred twenty-one thousand, twenty".
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