Base | Representation |
---|---|
bin | 1001100100110… |
… | …01001001110001 |
3 | 12121010122002002 |
4 | 10302121021301 |
5 | 131030202324 |
6 | 11545303345 |
7 | 1663462304 |
oct | 462311161 |
9 | 177118062 |
10 | 80319089 |
11 | 41379a14 |
12 | 22a94b55 |
13 | 138426b6 |
14 | a94ab3b |
15 | 70b83ae |
hex | 4c99271 |
80319089 has 2 divisors, whose sum is σ = 80319090. Its totient is φ = 80319088.
The previous prime is 80319037. The next prime is 80319103. The reversal of 80319089 is 98091308.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54390625 + 25928464 = 7375^2 + 5092^2 .
It is a cyclic number.
It is not a de Polignac number, because 80319089 - 216 = 80253553 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80313089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40159544 + 40159545.
It is an arithmetic number, because the mean of its divisors is an integer number (40159545).
Almost surely, 280319089 is an apocalyptic number.
It is an amenable number.
80319089 is a deficient number, since it is larger than the sum of its proper divisors (1).
80319089 is an equidigital number, since it uses as much as digits as its factorization.
80319089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 80319089 is about 8962.0917759193. The cubic root of 80319089 is about 431.4590583661.
The spelling of 80319089 in words is "eighty million, three hundred nineteen thousand, eighty-nine".
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