Base | Representation |
---|---|
bin | 1001010011110… |
… | …10101010101100 |
3 | 12102221202001000 |
4 | 10221322222230 |
5 | 124443101233 |
6 | 11425520300 |
7 | 1635546150 |
oct | 451725254 |
9 | 172852030 |
10 | 78097068 |
11 | 400a1535 |
12 | 221a3090 |
13 | 132451aa |
14 | a52d060 |
15 | 6cc9d13 |
hex | 4a7aaac |
78097068 has 96 divisors (see below), whose sum is σ = 243622400. Its totient is φ = 21135168.
The previous prime is 78097057. The next prime is 78097069. The reversal of 78097068 is 86079087.
It is not an unprimeable number, because it can be changed into a prime (78097069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11646 + ... + 17082.
Almost surely, 278097068 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78097068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121811200).
78097068 is an abundant number, since it is smaller than the sum of its proper divisors (165525332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78097068 is a wasteful number, since it uses less digits than its factorization.
78097068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5476 (or 5468 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 78097068 is about 8837.2545510469. The cubic root of 78097068 is about 427.4430333449.
The spelling of 78097068 in words is "seventy-eight million, ninety-seven thousand, sixty-eight".
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