Base | Representation |
---|---|
bin | 1001100100000… |
… | …01100011110001 |
3 | 12120221201111211 |
4 | 10302001203301 |
5 | 131014104244 |
6 | 11543240121 |
7 | 1662610456 |
oct | 462014361 |
9 | 176851454 |
10 | 80222449 |
11 | 4131334a |
12 | 22a49041 |
13 | 1380a708 |
14 | a92382d |
15 | 7099934 |
hex | 4c818f1 |
80222449 has 2 divisors, whose sum is σ = 80222450. Its totient is φ = 80222448.
The previous prime is 80222437. The next prime is 80222479. The reversal of 80222449 is 94422208.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 61732449 + 18490000 = 7857^2 + 4300^2 .
It is a cyclic number.
It is not a de Polignac number, because 80222449 - 211 = 80220401 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80222449.
It is not a weakly prime, because it can be changed into another prime (80222419) 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 as a sum of consecutive naturals, namely, 40111224 + 40111225.
It is an arithmetic number, because the mean of its divisors is an integer number (40111225).
Almost surely, 280222449 is an apocalyptic number.
It is an amenable number.
80222449 is a deficient number, since it is larger than the sum of its proper divisors (1).
80222449 is an equidigital number, since it uses as much as digits as its factorization.
80222449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 80222449 is about 8956.6985547131. The cubic root of 80222449 is about 431.2859449420.
The spelling of 80222449 in words is "eighty million, two hundred twenty-two thousand, four hundred forty-nine".
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