Base | Representation |
---|---|
bin | 1111100100100… |
… | …0000111111010 |
3 | 11112212221112121 |
4 | 3321020013322 |
5 | 113204312010 |
6 | 10251431454 |
7 | 1422046540 |
oct | 371100772 |
9 | 145787477 |
10 | 65307130 |
11 | 33956239 |
12 | 19a5558a |
13 | 106b7795 |
14 | 895dd90 |
15 | 5b003da |
hex | 3e481fa |
65307130 has 64 divisors (see below), whose sum is σ = 141834240. Its totient is φ = 21176064.
The previous prime is 65307127. The next prime is 65307157. The reversal of 65307130 is 3170356.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 65307095 and 65307104.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107287 + ... + 107893.
It is an arithmetic number, because the mean of its divisors is an integer number (2216160).
Almost surely, 265307130 is an apocalyptic number.
65307130 is an abundant number, since it is smaller than the sum of its proper divisors (76527110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65307130 is a wasteful number, since it uses less digits than its factorization.
65307130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703.
The product of its (nonzero) digits is 1890, while the sum is 25.
The square root of 65307130 is about 8081.2826952161. The cubic root of 65307130 is about 402.7048556617.
Adding to 65307130 its reverse (3170356), we get a palindrome (68477486).
The spelling of 65307130 in words is "sixty-five million, three hundred seven thousand, one hundred thirty".
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