Base | Representation |
---|---|
bin | 1001101001011… |
… | …10011100010011 |
3 | 12122021200212212 |
4 | 10310232130103 |
5 | 131204234304 |
6 | 12010342335 |
7 | 2001620132 |
oct | 464563423 |
9 | 178250785 |
10 | 80930579 |
11 | 41757384 |
12 | 2312a9ab |
13 | 139c7b22 |
14 | aa69919 |
15 | 718966e |
hex | 4d2e713 |
80930579 has 2 divisors, whose sum is σ = 80930580. Its totient is φ = 80930578.
The previous prime is 80930567. The next prime is 80930599. The reversal of 80930579 is 97503908.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80930579 - 224 = 64153363 is a prime.
It is not a weakly prime, because it can be changed into another prime (80930539) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40465289 + 40465290.
It is an arithmetic number, because the mean of its divisors is an integer number (40465290).
Almost surely, 280930579 is an apocalyptic number.
80930579 is a deficient number, since it is larger than the sum of its proper divisors (1).
80930579 is an equidigital number, since it uses as much as digits as its factorization.
80930579 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 80930579 is about 8996.1424510731. The cubic root of 80930579 is about 432.5512278523.
The spelling of 80930579 in words is "eighty million, nine hundred thirty thousand, five hundred seventy-nine".
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