Base | Representation |
---|---|
bin | 1111101011100… |
… | …0101001011001 |
3 | 11120202100202210 |
4 | 3322320221121 |
5 | 113314034100 |
6 | 10305345333 |
7 | 1426006341 |
oct | 372705131 |
9 | 146670683 |
10 | 65768025 |
11 | 34140544 |
12 | 1a038249 |
13 | 108194bb |
14 | 8a3dd21 |
15 | 5b91c50 |
hex | 3eb8a59 |
65768025 has 24 divisors (see below), whose sum is σ = 114461920. Its totient is φ = 33229440.
The previous prime is 65768023. The next prime is 65768039. The reversal of 65768025 is 52086756.
It is a happy number.
It is not a de Polignac number, because 65768025 - 21 = 65768023 is a prime.
It is a super-2 number, since 2×657680252 = 8650866224801250, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (65768023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21652 + ... + 24501.
Almost surely, 265768025 is an apocalyptic number.
It is an amenable number.
65768025 is a deficient number, since it is larger than the sum of its proper divisors (48693895).
65768025 is a wasteful number, since it uses less digits than its factorization.
65768025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46185 (or 46180 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 39.
The square root of 65768025 is about 8109.7487630629. The cubic root of 65768025 is about 403.6499782587.
The spelling of 65768025 in words is "sixty-five million, seven hundred sixty-eight thousand, twenty-five".
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