Base | Representation |
---|---|
bin | 1001100011110… |
… | …00011100101110 |
3 | 12120212211022210 |
4 | 10301320130232 |
5 | 131011411014 |
6 | 11542351250 |
7 | 1662363621 |
oct | 461703456 |
9 | 176784283 |
10 | 80185134 |
11 | 41298307 |
12 | 22a2b526 |
13 | 137c6733 |
14 | a913db8 |
15 | 708d859 |
hex | 4c7872e |
80185134 has 16 divisors (see below), whose sum is σ = 160969680. Its totient is φ = 26628480.
The previous prime is 80185123. The next prime is 80185159. The reversal of 80185134 is 43158108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23227 + ... + 26454.
It is an arithmetic number, because the mean of its divisors is an integer number (10060605).
Almost surely, 280185134 is an apocalyptic number.
80185134 is an abundant number, since it is smaller than the sum of its proper divisors (80784546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80185134 is a wasteful number, since it uses less digits than its factorization.
80185134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49955.
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 80185134 is about 8954.6152346151. The cubic root of 80185134 is about 431.2190645316.
The spelling of 80185134 in words is "eighty million, one hundred eighty-five thousand, one hundred thirty-four".
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