Base | Representation |
---|---|
bin | 1000100001000… |
… | …00011011111001 |
3 | 11222102022210201 |
4 | 10100200123321 |
5 | 121241423100 |
6 | 11031042201 |
7 | 1525124203 |
oct | 420403371 |
9 | 158368721 |
10 | 71436025 |
11 | 37361a41 |
12 | 1bb10361 |
13 | 11a5234b |
14 | 96b7773 |
15 | 641136a |
hex | 44206f9 |
71436025 has 24 divisors (see below), whose sum is σ = 90619200. Its totient is φ = 55851840.
The previous prime is 71436017. The next prime is 71436049. The reversal of 71436025 is 52063417.
It is not a de Polignac number, because 71436025 - 23 = 71436017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71435984 and 71436002.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 358876 + ... + 359074.
It is an arithmetic number, because the mean of its divisors is an integer number (3775800).
Almost surely, 271436025 is an apocalyptic number.
It is an amenable number.
71436025 is a deficient number, since it is larger than the sum of its proper divisors (19183175).
71436025 is a wasteful number, since it uses less digits than its factorization.
71436025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 465 (or 460 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 71436025 is about 8451.9834950146. The cubic root of 71436025 is about 414.9276982476.
The spelling of 71436025 in words is "seventy-one million, four hundred thirty-six thousand, twenty-five".
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