Base | Representation |
---|---|
bin | 1001101000101… |
… | …10001001100001 |
3 | 12122002122101110 |
4 | 10310112021201 |
5 | 131143043243 |
6 | 12004253533 |
7 | 2001024051 |
oct | 464261141 |
9 | 178078343 |
10 | 80831073 |
11 | 41699644 |
12 | 230a12a9 |
13 | 1399174b |
14 | aa41561 |
15 | 7169e33 |
hex | 4d16261 |
80831073 has 16 divisors (see below), whose sum is σ = 120121920. Its totient is φ = 48047616.
The previous prime is 80831071. The next prime is 80831087. The reversal of 80831073 is 37013808.
It is not a de Polignac number, because 80831073 - 21 = 80831071 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80831073.
It is not an unprimeable number, because it can be changed into a prime (80831071) 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, 40740 + ... + 42677.
It is an arithmetic number, because the mean of its divisors is an integer number (7507620).
Almost surely, 280831073 is an apocalyptic number.
It is an amenable number.
80831073 is a deficient number, since it is larger than the sum of its proper divisors (39290847).
80831073 is a wasteful number, since it uses less digits than its factorization.
80831073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83456.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 80831073 is about 8990.6102684968. The cubic root of 80831073 is about 432.3738779342.
The spelling of 80831073 in words is "eighty million, eight hundred thirty-one thousand, seventy-three".
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