Base | Representation |
---|---|
bin | 1111100000110… |
… | …1111110010001 |
3 | 11112102211210221 |
4 | 3320031332101 |
5 | 113124201240 |
6 | 10242353041 |
7 | 1420035244 |
oct | 370157621 |
9 | 145384727 |
10 | 65068945 |
11 | 33803297 |
12 | 1995b781 |
13 | 10633246 |
14 | 88db25b |
15 | 5aa4a4a |
hex | 3e0df91 |
65068945 has 16 divisors (see below), whose sum is σ = 83047680. Its totient is φ = 48772864.
The previous prime is 65068943. The next prime is 65068987. The reversal of 65068945 is 54986056.
It is not a de Polignac number, because 65068945 - 21 = 65068943 is a prime.
It is not an unprimeable number, because it can be changed into a prime (65068943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18714 + ... + 21916.
It is an arithmetic number, because the mean of its divisors is an integer number (5190480).
Almost surely, 265068945 is an apocalyptic number.
It is an amenable number.
65068945 is a deficient number, since it is larger than the sum of its proper divisors (17978735).
65068945 is a wasteful number, since it uses less digits than its factorization.
65068945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3464.
The product of its (nonzero) digits is 259200, while the sum is 43.
The square root of 65068945 is about 8066.5324024639. The cubic root of 65068945 is about 402.2146840558.
It can be divided in two parts, 6506 and 8945, that added together give a palindrome (15451).
The spelling of 65068945 in words is "sixty-five million, sixty-eight thousand, nine hundred forty-five".
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