Base | Representation |
---|---|
bin | 1001010101110… |
… | …11111010001101 |
3 | 12110110022121112 |
4 | 10222323322031 |
5 | 130030124201 |
6 | 11435341405 |
7 | 1641041231 |
oct | 452737215 |
9 | 173408545 |
10 | 78364301 |
11 | 40264294 |
12 | 222b1865 |
13 | 13309a12 |
14 | a59c5c1 |
15 | 6d2e0bb |
hex | 4abbe8d |
78364301 has 2 divisors, whose sum is σ = 78364302. Its totient is φ = 78364300.
The previous prime is 78364241. The next prime is 78364309. The reversal of 78364301 is 10346387.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 75707401 + 2656900 = 8701^2 + 1630^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-78364301 is a prime.
It is a super-2 number, since 2×783643012 = 12281927342437202, 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 (78364309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39182150 + 39182151.
It is an arithmetic number, because the mean of its divisors is an integer number (39182151).
Almost surely, 278364301 is an apocalyptic number.
It is an amenable number.
78364301 is a deficient number, since it is larger than the sum of its proper divisors (1).
78364301 is an equidigital number, since it uses as much as digits as its factorization.
78364301 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 78364301 is about 8852.3613233984. The cubic root of 78364301 is about 427.9300206577.
The spelling of 78364301 in words is "seventy-eight million, three hundred sixty-four thousand, three hundred one".
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