Base | Representation |
---|---|
bin | 1001010101011… |
… | …10000010011011 |
3 | 12110100102200011 |
4 | 10222232002123 |
5 | 130021314413 |
6 | 11434222351 |
7 | 1640413462 |
oct | 452560233 |
9 | 173312604 |
10 | 78307483 |
11 | 40225631 |
12 | 222849b7 |
13 | 132b9bb7 |
14 | a5859d9 |
15 | 6d1c33d |
hex | 4aae09b |
78307483 has 2 divisors, whose sum is σ = 78307484. Its totient is φ = 78307482.
The previous prime is 78307459. The next prime is 78307507. The reversal of 78307483 is 38470387.
It is a balanced prime because it is at equal distance from previous prime (78307459) and next prime (78307507).
It is an emirp because it is prime and its reverse (38470387) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 78307483 - 29 = 78306971 is a prime.
It is a super-2 number, since 2×783074832 = 12264123787590578, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (78307403) 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 as a sum of consecutive naturals, namely, 39153741 + 39153742.
It is an arithmetic number, because the mean of its divisors is an integer number (39153742).
Almost surely, 278307483 is an apocalyptic number.
78307483 is a deficient number, since it is larger than the sum of its proper divisors (1).
78307483 is an equidigital number, since it uses as much as digits as its factorization.
78307483 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 78307483 is about 8849.1515412496. The cubic root of 78307483 is about 427.8265721644.
The spelling of 78307483 in words is "seventy-eight million, three hundred seven thousand, four hundred eighty-three".
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