Base | Representation |
---|---|
bin | 1111100101000… |
… | …1011000000001 |
3 | 11112221212112010 |
4 | 3321101120001 |
5 | 113212020100 |
6 | 10252323133 |
7 | 1422265164 |
oct | 371213001 |
9 | 145855463 |
10 | 65345025 |
11 | 33981759 |
12 | 19a734a9 |
13 | 106cbac5 |
14 | 896dadb |
15 | 5b0b750 |
hex | 3e51601 |
65345025 has 48 divisors (see below), whose sum is σ = 116671104. Its totient is φ = 32148480.
The previous prime is 65345023. The next prime is 65345039. The reversal of 65345025 is 52054356.
It is not a de Polignac number, because 65345025 - 21 = 65345023 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 65344983 and 65345001.
It is not an unprimeable number, because it can be changed into a prime (65345023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67092 + ... + 68058.
It is an arithmetic number, because the mean of its divisors is an integer number (2430648).
Almost surely, 265345025 is an apocalyptic number.
It is an amenable number.
65345025 is a deficient number, since it is larger than the sum of its proper divisors (51326079).
65345025 is a wasteful number, since it uses less digits than its factorization.
65345025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1050 (or 1045 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 30.
The square root of 65345025 is about 8083.6269706116. The cubic root of 65345025 is about 402.7827315373.
The spelling of 65345025 in words is "sixty-five million, three hundred forty-five thousand, twenty-five".
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