Base | Representation |
---|---|
bin | 1111100011101… |
… | …1001000000101 |
3 | 11112210020111212 |
4 | 3320323020011 |
5 | 113201111033 |
6 | 10250341205 |
7 | 1421435405 |
oct | 370731005 |
9 | 145706455 |
10 | 65253893 |
11 | 3391a241 |
12 | 19a2a805 |
13 | 10699493 |
14 | 8948805 |
15 | 5ade748 |
hex | 3e3b205 |
65253893 has 2 divisors, whose sum is σ = 65253894. Its totient is φ = 65253892.
The previous prime is 65253863. The next prime is 65253911. The reversal of 65253893 is 39835256.
65253893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 58033924 + 7219969 = 7618^2 + 2687^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-65253893 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 65253893.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (65253863) 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 as a sum of consecutive naturals, namely, 32626946 + 32626947.
It is an arithmetic number, because the mean of its divisors is an integer number (32626947).
Almost surely, 265253893 is an apocalyptic number.
It is an amenable number.
65253893 is a deficient number, since it is larger than the sum of its proper divisors (1).
65253893 is an equidigital number, since it uses as much as digits as its factorization.
65253893 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 194400, while the sum is 41.
The square root of 65253893 is about 8077.9881777581. The cubic root of 65253893 is about 402.5954004025.
It can be divided in two parts, 652 and 53893, that added together give a palindrome (54545).
The spelling of 65253893 in words is "sixty-five million, two hundred fifty-three thousand, eight hundred ninety-three".
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