Base | Representation |
---|---|
bin | 1001100101001… |
… | …01110101111111 |
3 | 12121020021101100 |
4 | 10302211311333 |
5 | 131033333241 |
6 | 11550344143 |
7 | 1664066664 |
oct | 462456577 |
9 | 177207340 |
10 | 80371071 |
11 | 41404a80 |
12 | 22abb053 |
13 | 13860261 |
14 | a961a6b |
15 | 70c89b6 |
hex | 4ca5d7f |
80371071 has 24 divisors (see below), whose sum is σ = 126981504. Its totient is φ = 48580560.
The previous prime is 80371033. The next prime is 80371079. The reversal of 80371071 is 17017308.
It is not a de Polignac number, because 80371071 - 213 = 80362879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80371079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47380 + ... + 49046.
It is an arithmetic number, because the mean of its divisors is an integer number (5290896).
Almost surely, 280371071 is an apocalyptic number.
80371071 is a deficient number, since it is larger than the sum of its proper divisors (46610433).
80371071 is a wasteful number, since it uses less digits than its factorization.
80371071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2171 (or 2168 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 27.
The square root of 80371071 is about 8964.9914110388. The cubic root of 80371071 is about 431.5521174730.
Adding to 80371071 its reverse (17017308), we get a palindrome (97388379).
The spelling of 80371071 in words is "eighty million, three hundred seventy-one thousand, seventy-one".
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