Base | Representation |
---|---|
bin | 1111100000111… |
… | …0010011101000 |
3 | 11112102220200120 |
4 | 3320032103220 |
5 | 113124222222 |
6 | 10242403240 |
7 | 1420042236 |
oct | 370162350 |
9 | 145386616 |
10 | 65070312 |
11 | 3380431a |
12 | 19960520 |
13 | 10633a58 |
14 | 88db956 |
15 | 5aa515c |
hex | 3e0e4e8 |
65070312 has 32 divisors (see below), whose sum is σ = 169750080. Its totient is φ = 20746880.
The previous prime is 65070311. The next prime is 65070329. The reversal of 65070312 is 21307056.
65070312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (65070311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58389 + ... + 59492.
It is an arithmetic number, because the mean of its divisors is an integer number (5304690).
Almost surely, 265070312 is an apocalyptic number.
It is an amenable number.
65070312 is an abundant number, since it is smaller than the sum of its proper divisors (104679768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65070312 is a wasteful number, since it uses less digits than its factorization.
65070312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117913 (or 117909 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 65070312 is about 8066.6171348342. The cubic root of 65070312 is about 402.2175006766.
Adding to 65070312 its reverse (21307056), we get a palindrome (86377368).
The spelling of 65070312 in words is "sixty-five million, seventy thousand, three hundred twelve".
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