Base | Representation |
---|---|
bin | 1001010011101… |
… | …11110010111100 |
3 | 12102221010220110 |
4 | 10221313302330 |
5 | 124442212213 |
6 | 11425350020 |
7 | 1635466650 |
oct | 451676274 |
9 | 172833813 |
10 | 78085308 |
11 | 40093714 |
12 | 22198310 |
13 | 1323ca32 |
14 | a528a60 |
15 | 6cc65c3 |
hex | 4a77cbc |
78085308 has 24 divisors (see below), whose sum is σ = 208227712. Its totient is φ = 22310064.
The previous prime is 78085297. The next prime is 78085309. The reversal of 78085308 is 80358087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78085309) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464710 + ... + 464877.
Almost surely, 278085308 is an apocalyptic number.
It is an amenable number.
78085308 is an abundant number, since it is smaller than the sum of its proper divisors (130142404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78085308 is a wasteful number, since it uses less digits than its factorization.
78085308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929601 (or 929599 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 78085308 is about 8836.5891609829. The cubic root of 78085308 is about 427.4215772154.
The spelling of 78085308 in words is "seventy-eight million, eighty-five thousand, three hundred eight".
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