Base | Representation |
---|---|
bin | 1000100000100… |
… | …11111001100111 |
3 | 11222022201101000 |
4 | 10100103321213 |
5 | 121233302204 |
6 | 11030004343 |
7 | 1524521412 |
oct | 420237147 |
9 | 158281330 |
10 | 71384679 |
11 | 37327403 |
12 | 1baa66b3 |
13 | 11a34b72 |
14 | 96a2b79 |
15 | 6401039 |
hex | 4413e67 |
71384679 has 16 divisors (see below), whose sum is σ = 106806240. Its totient is φ = 47116800.
The previous prime is 71384657. The next prime is 71384711. The reversal of 71384679 is 97648317.
It is not a de Polignac number, because 71384679 - 211 = 71382631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71384609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10362 + ... + 15815.
It is an arithmetic number, because the mean of its divisors is an integer number (6675390).
Almost surely, 271384679 is an apocalyptic number.
71384679 is a deficient number, since it is larger than the sum of its proper divisors (35421561).
71384679 is a wasteful number, since it uses less digits than its factorization.
71384679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26287 (or 26281 counting only the distinct ones).
The product of its digits is 254016, while the sum is 45.
The square root of 71384679 is about 8448.9454371537. The cubic root of 71384679 is about 414.8282620315.
The spelling of 71384679 in words is "seventy-one million, three hundred eighty-four thousand, six hundred seventy-nine".
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