Base | Representation |
---|---|
bin | 1001100010110… |
… | …10000110101101 |
3 | 12120122111211111 |
4 | 10301122012231 |
5 | 130443421340 |
6 | 11535552021 |
7 | 1661335354 |
oct | 461320655 |
9 | 176574744 |
10 | 80060845 |
11 | 41212997 |
12 | 2298b611 |
13 | 13781ca7 |
14 | a8c099b |
15 | 7066aea |
hex | 4c5a1ad |
80060845 has 4 divisors (see below), whose sum is σ = 96073020. Its totient is φ = 64048672.
The previous prime is 80060821. The next prime is 80060863. The reversal of 80060845 is 54806008.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30316036 + 49744809 = 5506^2 + 7053^2 .
It is a cyclic number.
It is not a de Polignac number, because 80060845 - 29 = 80060333 is a prime.
It is a super-2 number, since 2×800608452 = 12819477804228050, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 8006080 + ... + 8006089.
It is an arithmetic number, because the mean of its divisors is an integer number (24018255).
Almost surely, 280060845 is an apocalyptic number.
It is an amenable number.
80060845 is a deficient number, since it is larger than the sum of its proper divisors (16012175).
80060845 is a wasteful number, since it uses less digits than its factorization.
80060845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16012174.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 80060845 is about 8947.6726024146. The cubic root of 80060845 is about 430.9961491394.
The spelling of 80060845 in words is "eighty million, sixty thousand, eight hundred forty-five".
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