Base | Representation |
---|---|
bin | 1001101000011… |
… | …01001000010011 |
3 | 12122000202201020 |
4 | 10310031020103 |
5 | 131140403011 |
6 | 12003410523 |
7 | 2000511255 |
oct | 464151023 |
9 | 178022636 |
10 | 80794131 |
11 | 41673910 |
12 | 23083a43 |
13 | 1397a9a2 |
14 | aa31cd5 |
15 | 715e006 |
hex | 4d0d213 |
80794131 has 16 divisors (see below), whose sum is σ = 117713280. Its totient is φ = 48885120.
The previous prime is 80794117. The next prime is 80794141. The reversal of 80794131 is 13149708.
It is not a de Polignac number, because 80794131 - 27 = 80794003 is a prime.
It is a super-2 number, since 2×807941312 = 13055383208090322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 80794092 and 80794101.
It is not an unprimeable number, because it can be changed into a prime (80794141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22731 + ... + 26043.
It is an arithmetic number, because the mean of its divisors is an integer number (7357080).
Almost surely, 280794131 is an apocalyptic number.
80794131 is a deficient number, since it is larger than the sum of its proper divisors (36919149).
80794131 is a wasteful number, since it uses less digits than its factorization.
80794131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4066.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 80794131 is about 8988.5555569290. Note that the first 5 decimals coincide. The cubic root of 80794131 is about 432.3079990209.
The spelling of 80794131 in words is "eighty million, seven hundred ninety-four thousand, one hundred thirty-one".
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