Base | Representation |
---|---|
bin | 1001100010100… |
… | …10001111111111 |
3 | 12120120212200212 |
4 | 10301102033333 |
5 | 130441404141 |
6 | 11535143035 |
7 | 1661142512 |
oct | 461221777 |
9 | 176525625 |
10 | 80028671 |
11 | 411a07a8 |
12 | 22974a7b |
13 | 13770458 |
14 | a8b2d79 |
15 | 705c2eb |
hex | 4c523ff |
80028671 has 2 divisors, whose sum is σ = 80028672. Its totient is φ = 80028670.
The previous prime is 80028667. The next prime is 80028677. The reversal of 80028671 is 17682008.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80028671 - 22 = 80028667 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80028677) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40014335 + 40014336.
It is an arithmetic number, because the mean of its divisors is an integer number (40014336).
Almost surely, 280028671 is an apocalyptic number.
80028671 is a deficient number, since it is larger than the sum of its proper divisors (1).
80028671 is an equidigital number, since it uses as much as digits as its factorization.
80028671 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 80028671 is about 8945.8745240474. The cubic root of 80028671 is about 430.9384066891.
The spelling of 80028671 in words is "eighty million, twenty-eight thousand, six hundred seventy-one".
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