Base | Representation |
---|---|
bin | 1001100101001… |
… | …00101101011111 |
3 | 12121020001000111 |
4 | 10302210231133 |
5 | 131033211211 |
6 | 11550310451 |
7 | 1664050315 |
oct | 462445537 |
9 | 177201014 |
10 | 80366431 |
11 | 41401542 |
12 | 22ab8427 |
13 | 1385b102 |
14 | a9600b5 |
15 | 70c7421 |
hex | 4ca4b5f |
80366431 has 2 divisors, whose sum is σ = 80366432. Its totient is φ = 80366430.
The previous prime is 80366423. The next prime is 80366449. The reversal of 80366431 is 13466308.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80366431 - 23 = 80366423 is a prime.
It is a super-2 number, since 2×803664312 = 12917526463355522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80366393 and 80366402.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80366401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40183215 + 40183216.
It is an arithmetic number, because the mean of its divisors is an integer number (40183216).
Almost surely, 280366431 is an apocalyptic number.
80366431 is a deficient number, since it is larger than the sum of its proper divisors (1).
80366431 is an equidigital number, since it uses as much as digits as its factorization.
80366431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 80366431 is about 8964.7326228951. The cubic root of 80366431 is about 431.5438124932.
The spelling of 80366431 in words is "eighty million, three hundred sixty-six thousand, four hundred thirty-one".
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