Base | Representation |
---|---|
bin | 1001010110101… |
… | …00100000101011 |
3 | 12110122102211121 |
4 | 10223110200223 |
5 | 130041340232 |
6 | 11441440111 |
7 | 1641641062 |
oct | 453244053 |
9 | 173572747 |
10 | 78465067 |
11 | 40322a6a |
12 | 22340037 |
13 | 13343845 |
14 | a5c71d9 |
15 | 6d4dd97 |
hex | 4ad482b |
78465067 has 8 divisors (see below), whose sum is σ = 81031280. Its totient is φ = 75932640.
The previous prime is 78465007. The next prime is 78465071. The reversal of 78465067 is 76056487.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-78465067 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78465007) 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, 3684 + ... + 13057.
It is an arithmetic number, because the mean of its divisors is an integer number (10128910).
Almost surely, 278465067 is an apocalyptic number.
78465067 is a deficient number, since it is larger than the sum of its proper divisors (2566213).
78465067 is a wasteful number, since it uses less digits than its factorization.
78465067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16893.
The product of its (nonzero) digits is 282240, while the sum is 43.
The square root of 78465067 is about 8858.0509707271. The cubic root of 78465067 is about 428.1133623348.
The spelling of 78465067 in words is "seventy-eight million, four hundred sixty-five thousand, sixty-seven".
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