Base | Representation |
---|---|
bin | 1001010011101… |
… | …10010010010010 |
3 | 12102220211102100 |
4 | 10221312102102 |
5 | 124442012442 |
6 | 11425301230 |
7 | 1635442632 |
oct | 451662222 |
9 | 172824370 |
10 | 78079122 |
11 | 4008a000 |
12 | 22194816 |
13 | 13239c84 |
14 | a5266c2 |
15 | 6cc484c |
hex | 4a76492 |
78079122 has 48 divisors (see below), whose sum is σ = 186132960. Its totient is φ = 23653080.
The previous prime is 78079117. The next prime is 78079163. The reversal of 78079122 is 22197087.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22329 + ... + 25587.
It is an arithmetic number, because the mean of its divisors is an integer number (3877770).
Almost surely, 278079122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78079122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93066480).
78079122 is an abundant number, since it is smaller than the sum of its proper divisors (108053838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78079122 is a wasteful number, since it uses less digits than its factorization.
78079122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3300 (or 3275 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 78079122 is about 8836.2391321195. The cubic root of 78079122 is about 427.4102899888.
The spelling of 78079122 in words is "seventy-eight million, seventy-nine thousand, one hundred twenty-two".
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