Base | Representation |
---|---|
bin | 111101000111000… |
… | …100101010110001 |
3 | 2122110012211020001 |
4 | 331013010222301 |
5 | 4044431424210 |
6 | 245422550001 |
7 | 34256413522 |
oct | 7507045261 |
9 | 2573184201 |
10 | 1025264305 |
11 | 48680a27a |
12 | 247438301 |
13 | 134544790 |
14 | 9a246849 |
15 | 6002203a |
hex | 3d1c4ab1 |
1025264305 has 16 divisors (see below), whose sum is σ = 1402897104. Its totient is φ = 712581120.
The previous prime is 1025264293. The next prime is 1025264321. The reversal of 1025264305 is 5034625201.
1025264305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 37356544 + 987907761 = 6112^2 + 31431^2 .
It is not a de Polignac number, because 1025264305 - 223 = 1016875697 is a prime.
It is a Duffinian 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, 462816 + ... + 465025.
It is an arithmetic number, because the mean of its divisors is an integer number (87681069).
Almost surely, 21025264305 is an apocalyptic number.
It is an amenable number.
1025264305 is a deficient number, since it is larger than the sum of its proper divisors (377632799).
1025264305 is a wasteful number, since it uses less digits than its factorization.
1025264305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 927876.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 1025264305 is about 32019.7486717182. The cubic root of 1025264305 is about 1008.3514933930.
Adding to 1025264305 its reverse (5034625201), we get a palindrome (6059889506).
The spelling of 1025264305 in words is "one billion, twenty-five million, two hundred sixty-four thousand, three hundred five".
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