Base | Representation |
---|---|
bin | 1001101000011… |
… | …11010011111101 |
3 | 12122001012222021 |
4 | 10310033103331 |
5 | 131141144234 |
6 | 12003520141 |
7 | 2000546314 |
oct | 464172375 |
9 | 178035867 |
10 | 80803069 |
11 | 4167a5a6 |
12 | 23089051 |
13 | 13981a89 |
14 | aa3527b |
15 | 71619b4 |
hex | 4d0f4fd |
80803069 has 2 divisors, whose sum is σ = 80803070. Its totient is φ = 80803068.
The previous prime is 80803031. The next prime is 80803097. The reversal of 80803069 is 96030808.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 80102500 + 700569 = 8950^2 + 837^2 .
It is a cyclic number.
It is not a de Polignac number, because 80803069 - 27 = 80802941 is a prime.
It is a super-2 number, since 2×808030692 = 13058271919637522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80803969) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401534 + 40401535.
It is an arithmetic number, because the mean of its divisors is an integer number (40401535).
Almost surely, 280803069 is an apocalyptic number.
It is an amenable number.
80803069 is a deficient number, since it is larger than the sum of its proper divisors (1).
80803069 is an equidigital number, since it uses as much as digits as its factorization.
80803069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 80803069 is about 8989.0527309611. The cubic root of 80803069 is about 432.3239400567.
The spelling of 80803069 in words is "eighty million, eight hundred three thousand, sixty-nine".
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