Base | Representation |
---|---|
bin | 1111100111001… |
… | …0011011101011 |
3 | 11120012202021000 |
4 | 3321302123223 |
5 | 113230333202 |
6 | 10255250043 |
7 | 1423401015 |
oct | 371623353 |
9 | 146182230 |
10 | 65480427 |
11 | 33a64461 |
12 | 19b19923 |
13 | 1074861c |
14 | 89a71b5 |
15 | 5b3691c |
hex | 3e726eb |
65480427 has 16 divisors (see below), whose sum is σ = 97300000. Its totient is φ = 43522272.
The previous prime is 65480419. The next prime is 65480431. The reversal of 65480427 is 72408456.
It is not a de Polignac number, because 65480427 - 23 = 65480419 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65480391 and 65480400.
It is not an unprimeable number, because it can be changed into a prime (65480407) 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 15 ways as a sum of consecutive naturals, for example, 5949 + ... + 12897.
It is an arithmetic number, because the mean of its divisors is an integer number (6081250).
Almost surely, 265480427 is an apocalyptic number.
65480427 is a deficient number, since it is larger than the sum of its proper divisors (31819573).
65480427 is a wasteful number, since it uses less digits than its factorization.
65480427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7307 (or 7301 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 65480427 is about 8091.9977137911. The cubic root of 65480427 is about 403.0607428138.
The spelling of 65480427 in words is "sixty-five million, four hundred eighty thousand, four hundred twenty-seven".
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