Base | Representation |
---|---|
bin | 1001100010010… |
… | …11010001001111 |
3 | 12120112102110220 |
4 | 10301023101033 |
5 | 130440000304 |
6 | 11534402423 |
7 | 1660663245 |
oct | 461132117 |
9 | 176472426 |
10 | 80000079 |
11 | 41181275 |
12 | 22960413 |
13 | 13760433 |
14 | a8a6795 |
15 | 7053ad9 |
hex | 4c4b44f |
80000079 has 8 divisors (see below), whose sum is σ = 112941360. Its totient is φ = 50196096.
The previous prime is 80000069. The next prime is 80000083. The reversal of 80000079 is 97000008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80000079 - 212 = 79995983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80000059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784264 + ... + 784365.
It is an arithmetic number, because the mean of its divisors is an integer number (14117670).
Almost surely, 280000079 is an apocalyptic number.
80000079 is a deficient number, since it is larger than the sum of its proper divisors (32941281).
80000079 is a wasteful number, since it uses less digits than its factorization.
80000079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1568649.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 80000079 is about 8944.2763262323. The cubic root of 80000079 is about 430.8870798399.
The spelling of 80000079 in words is "eighty million, seventy-nine", and thus it is an aban number and an uban number.
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