Base | Representation |
---|---|
bin | 1000100000011… |
… | …11100001010110 |
3 | 11222021210202200 |
4 | 10100033201112 |
5 | 121232213432 |
6 | 11025345330 |
7 | 1524415206 |
oct | 420174126 |
9 | 158253680 |
10 | 71366742 |
11 | 37314987 |
12 | 1ba98246 |
13 | 11a29955 |
14 | 969a406 |
15 | 63eaa7c |
hex | 440f856 |
71366742 has 12 divisors (see below), whose sum is σ = 154627980. Its totient is φ = 23788908.
The previous prime is 71366699. The next prime is 71366749. The reversal of 71366742 is 24766317.
It is a junction number, because it is equal to n+sod(n) for n = 71366697 and 71366706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71366749) 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 5 ways as a sum of consecutive naturals, for example, 1982392 + ... + 1982427.
It is an arithmetic number, because the mean of its divisors is an integer number (12885665).
Almost surely, 271366742 is an apocalyptic number.
71366742 is an abundant number, since it is smaller than the sum of its proper divisors (83261238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71366742 is a wasteful number, since it uses less digits than its factorization.
71366742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3964827 (or 3964824 counting only the distinct ones).
The product of its digits is 42336, while the sum is 36.
The square root of 71366742 is about 8447.8838770428. The cubic root of 71366742 is about 414.7935141559.
The spelling of 71366742 in words is "seventy-one million, three hundred sixty-six thousand, seven hundred forty-two".
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