Base | Representation |
---|---|
bin | 1001100110100… |
… | …00001010010111 |
3 | 12121120002011012 |
4 | 10303100022113 |
5 | 131104410112 |
6 | 11554202435 |
7 | 1665421226 |
oct | 463201227 |
9 | 177502135 |
10 | 80544407 |
11 | 41513229 |
12 | 22b8341b |
13 | 138c1118 |
14 | a9a8cbd |
15 | 7110022 |
hex | 4cd0297 |
80544407 has 2 divisors, whose sum is σ = 80544408. Its totient is φ = 80544406.
The previous prime is 80544353. The next prime is 80544421. The reversal of 80544407 is 70444508.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80544407 - 28 = 80544151 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 (80544427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40272203 + 40272204.
It is an arithmetic number, because the mean of its divisors is an integer number (40272204).
Almost surely, 280544407 is an apocalyptic number.
80544407 is a deficient number, since it is larger than the sum of its proper divisors (1).
80544407 is an equidigital number, since it uses as much as digits as its factorization.
80544407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 80544407 is about 8974.6535866294. The cubic root of 80544407 is about 431.8621370073.
The spelling of 80544407 in words is "eighty million, five hundred forty-four thousand, four hundred seven".
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