Base | Representation |
---|---|
bin | 1001010101111… |
… | …11110100100111 |
3 | 12110111010121002 |
4 | 10222333310213 |
5 | 130031132302 |
6 | 11435543515 |
7 | 1641136034 |
oct | 452776447 |
9 | 173433532 |
10 | 78380327 |
11 | 40275333 |
12 | 222bab9b |
13 | 133140bc |
14 | a5a438b |
15 | 6d33c02 |
hex | 4abfd27 |
78380327 has 2 divisors, whose sum is σ = 78380328. Its totient is φ = 78380326.
The previous prime is 78380321. The next prime is 78380333. The reversal of 78380327 is 72308387.
It is a balanced prime because it is at equal distance from previous prime (78380321) and next prime (78380333).
It is a cyclic number.
It is not a de Polignac number, because 78380327 - 222 = 74186023 is a prime.
It is a super-2 number, since 2×783803272 = 12286951321253858, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (78380321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39190163 + 39190164.
It is an arithmetic number, because the mean of its divisors is an integer number (39190164).
Almost surely, 278380327 is an apocalyptic number.
78380327 is a deficient number, since it is larger than the sum of its proper divisors (1).
78380327 is an equidigital number, since it uses as much as digits as its factorization.
78380327 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 78380327 is about 8853.2664593358. The cubic root of 78380327 is about 427.9591901433.
The spelling of 78380327 in words is "seventy-eight million, three hundred eighty thousand, three hundred twenty-seven".
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