Base | Representation |
---|---|
bin | 1001100110001… |
… | …00000110110101 |
3 | 12121110120102101 |
4 | 10303010012311 |
5 | 131101320104 |
6 | 11553142101 |
7 | 1665124246 |
oct | 463040665 |
9 | 177416371 |
10 | 80495029 |
11 | 4148a11a |
12 | 22b5a931 |
13 | 138a47c4 |
14 | a994ccd |
15 | 71005a4 |
hex | 4cc41b5 |
80495029 has 2 divisors, whose sum is σ = 80495030. Its totient is φ = 80495028.
The previous prime is 80495027. The next prime is 80495033. The reversal of 80495029 is 92059408.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 70946929 + 9548100 = 8423^2 + 3090^2 .
It is a cyclic number.
It is not a de Polignac number, because 80495029 - 21 = 80495027 is a prime.
Together with 80495027, it forms a pair of twin primes.
It is equal to p4696624 and since 80495029 and 4696624 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80495027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40247514 + 40247515.
It is an arithmetic number, because the mean of its divisors is an integer number (40247515).
Almost surely, 280495029 is an apocalyptic number.
It is an amenable number.
80495029 is a deficient number, since it is larger than the sum of its proper divisors (1).
80495029 is an equidigital number, since it uses as much as digits as its factorization.
80495029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 80495029 is about 8971.9021951869. The cubic root of 80495029 is about 431.7738674901.
The spelling of 80495029 in words is "eighty million, four hundred ninety-five thousand, twenty-nine".
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