Base | Representation |
---|---|
bin | 1001100110010… |
… | …11001100111011 |
3 | 12121112001021202 |
4 | 10303023030323 |
5 | 131103232331 |
6 | 11553524415 |
7 | 1665305054 |
oct | 463131473 |
9 | 177461252 |
10 | 80524091 |
11 | 414a9a3a |
12 | 22b7370b |
13 | 138b4abb |
14 | a9a172b |
15 | 7108ecb |
hex | 4ccb33b |
80524091 has 2 divisors, whose sum is σ = 80524092. Its totient is φ = 80524090.
The previous prime is 80524069. The next prime is 80524181. The reversal of 80524091 is 19042508.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80524091 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (80524001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40262045 + 40262046.
It is an arithmetic number, because the mean of its divisors is an integer number (40262046).
Almost surely, 280524091 is an apocalyptic number.
80524091 is a deficient number, since it is larger than the sum of its proper divisors (1).
80524091 is an equidigital number, since it uses as much as digits as its factorization.
80524091 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 80524091 is about 8973.5216609757. The cubic root of 80524091 is about 431.8258239171.
Adding to 80524091 its reverse (19042508), we get a palindrome (99566599).
The spelling of 80524091 in words is "eighty million, five hundred twenty-four thousand, ninety-one".
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