Base | Representation |
---|---|
bin | 1001100010101… |
… | …10000101010001 |
3 | 12120121200020021 |
4 | 10301112011101 |
5 | 130442404434 |
6 | 11535343441 |
7 | 1661236336 |
oct | 461260521 |
9 | 176550207 |
10 | 80044369 |
11 | 41201579 |
12 | 22981b81 |
13 | 13777642 |
14 | a8b898d |
15 | 7061cb4 |
hex | 4c56151 |
80044369 has 2 divisors, whose sum is σ = 80044370. Its totient is φ = 80044368.
The previous prime is 80044361. The next prime is 80044373. The reversal of 80044369 is 96344008.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42406144 + 37638225 = 6512^2 + 6135^2 .
It is a cyclic number.
It is not a de Polignac number, because 80044369 - 23 = 80044361 is a prime.
It is a super-2 number, since 2×800443692 = 12814202017216322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (80044361) 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, 40022184 + 40022185.
It is an arithmetic number, because the mean of its divisors is an integer number (40022185).
Almost surely, 280044369 is an apocalyptic number.
It is an amenable number.
80044369 is a deficient number, since it is larger than the sum of its proper divisors (1).
80044369 is an equidigital number, since it uses as much as digits as its factorization.
80044369 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 80044369 is about 8946.7518686951. The cubic root of 80044369 is about 430.9665817117.
The spelling of 80044369 in words is "eighty million, forty-four thousand, three hundred sixty-nine".
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