Base | Representation |
---|---|
bin | 1001100011110… |
… | …00111000110110 |
3 | 12120212220210110 |
4 | 10301320320312 |
5 | 131011440214 |
6 | 11542403450 |
7 | 1662402102 |
oct | 461707066 |
9 | 176786713 |
10 | 80186934 |
11 | 412996a3 |
12 | 22a30586 |
13 | 137c74b9 |
14 | a914902 |
15 | 708e159 |
hex | 4c78e36 |
80186934 has 16 divisors (see below), whose sum is σ = 161599680. Its totient is φ = 26524680.
The previous prime is 80186929. The next prime is 80186971. The reversal of 80186934 is 43968108.
It is a junction number, because it is equal to n+sod(n) for n = 80186892 and 80186901.
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, 50224 + ... + 51795.
It is an arithmetic number, because the mean of its divisors is an integer number (10099980).
Almost surely, 280186934 is an apocalyptic number.
80186934 is an abundant number, since it is smaller than the sum of its proper divisors (81412746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80186934 is a wasteful number, since it uses less digits than its factorization.
80186934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102155.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 80186934 is about 8954.7157408820. The cubic root of 80186934 is about 431.2222911833. Note that the first 4 decimals are identical.
The spelling of 80186934 in words is "eighty million, one hundred eighty-six thousand, nine hundred thirty-four".
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