Base | Representation |
---|---|
bin | 1111010101001… |
… | …1100100010110 |
3 | 11111000001110121 |
4 | 3311103210112 |
5 | 112430233210 |
6 | 10214142154 |
7 | 1410405250 |
oct | 365234426 |
9 | 144001417 |
10 | 64305430 |
11 | 33331692 |
12 | 1965195a |
13 | 10426867 |
14 | 877ccd0 |
15 | 59a36da |
hex | 3d53916 |
64305430 has 32 divisors (see below), whose sum is σ = 134789184. Its totient is φ = 21630336.
The previous prime is 64305427. The next prime is 64305463. The reversal of 64305430 is 3450346.
It is a junction number, because it is equal to n+sod(n) for n = 64305395 and 64305404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957 + ... + 12376.
It is an arithmetic number, because the mean of its divisors is an integer number (4212162).
Almost surely, 264305430 is an apocalyptic number.
64305430 is an abundant number, since it is smaller than the sum of its proper divisors (70483754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64305430 is a wasteful number, since it uses less digits than its factorization.
64305430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17400.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 64305430 is about 8019.0666539193. The cubic root of 64305430 is about 400.6353029412.
Adding to 64305430 its reverse (3450346), we get a palindrome (67755776).
The spelling of 64305430 in words is "sixty-four million, three hundred five thousand, four hundred thirty".
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