Base | Representation |
---|---|
bin | 1111011111110… |
… | …1001001011001 |
3 | 11112022100021100 |
4 | 3313331021121 |
5 | 113120000100 |
6 | 10241102013 |
7 | 1416330306 |
oct | 367751131 |
9 | 145270240 |
10 | 65000025 |
11 | 33766532 |
12 | 19927909 |
13 | 1060aa6c |
14 | 88c00ad |
15 | 5a8e400 |
hex | 3dfd259 |
65000025 has 36 divisors (see below), whose sum is σ = 120190720. Its totient is φ = 33544800.
The previous prime is 65000021. The next prime is 65000029. The reversal of 65000025 is 52000056.
It is an interprime number because it is at equal distance from previous prime (65000021) and next prime (65000029).
It is not a de Polignac number, because 65000025 - 22 = 65000021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64999971 and 65000007.
It is not an unprimeable number, because it can be changed into a prime (65000021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2316 + ... + 11634.
Almost surely, 265000025 is an apocalyptic number.
It is an amenable number.
65000025 is a deficient number, since it is larger than the sum of its proper divisors (55190695).
65000025 is a wasteful number, since it uses less digits than its factorization.
65000025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9366 (or 9358 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 65000025 is about 8062.2592987326. The cubic root of 65000025 is about 402.0726274067.
The spelling of 65000025 in words is "sixty-five million, twenty-five", and thus it is an aban number and an uban number.
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