Base | Representation |
---|---|
bin | 1000100000011… |
… | …11100010101110 |
3 | 11222021210212221 |
4 | 10100033202232 |
5 | 121232214310 |
6 | 11025345554 |
7 | 1524415363 |
oct | 420174256 |
9 | 158253787 |
10 | 71366830 |
11 | 37314a57 |
12 | 1ba982ba |
13 | 11a299c2 |
14 | 969a46a |
15 | 63eaada |
hex | 440f8ae |
71366830 has 16 divisors (see below), whose sum is σ = 128976624. Its totient is φ = 28432000.
The previous prime is 71366809. The next prime is 71366839. The reversal of 71366830 is 3866317.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71366839) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11707 + ... + 16726.
It is an arithmetic number, because the mean of its divisors is an integer number (8061039).
Almost surely, 271366830 is an apocalyptic number.
71366830 is a deficient number, since it is larger than the sum of its proper divisors (57609794).
71366830 is a wasteful number, since it uses less digits than its factorization.
71366830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28691.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 71366830 is about 8447.8890854461. The cubic root of 71366830 is about 414.7936846452.
The spelling of 71366830 in words is "seventy-one million, three hundred sixty-six thousand, eight hundred thirty".
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