Base | Representation |
---|---|
bin | 1001100100001… |
… | …00011111010001 |
3 | 12120222022222021 |
4 | 10302010133101 |
5 | 131020000244 |
6 | 11543411441 |
7 | 1662660451 |
oct | 462043721 |
9 | 176868867 |
10 | 80234449 |
11 | 41321369 |
12 | 22a53b81 |
13 | 13813009 |
14 | a927d61 |
15 | 709d284 |
hex | 4c847d1 |
80234449 has 2 divisors, whose sum is σ = 80234450. Its totient is φ = 80234448.
The previous prime is 80234447. The next prime is 80234471. The reversal of 80234449 is 94443208.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49098049 + 31136400 = 7007^2 + 5580^2 .
It is a cyclic number.
It is not a de Polignac number, because 80234449 - 21 = 80234447 is a prime.
Together with 80234447, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (80234447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40117224 + 40117225.
It is an arithmetic number, because the mean of its divisors is an integer number (40117225).
Almost surely, 280234449 is an apocalyptic number.
It is an amenable number.
80234449 is a deficient number, since it is larger than the sum of its proper divisors (1).
80234449 is an equidigital number, since it uses as much as digits as its factorization.
80234449 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27648, while the sum is 34.
The square root of 80234449 is about 8957.3684193517. The cubic root of 80234449 is about 431.3074483714.
The spelling of 80234449 in words is "eighty million, two hundred thirty-four thousand, four hundred forty-nine".
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