Base | Representation |
---|---|
bin | 1001110010010… |
… | …01001000001001 |
3 | 12201110112012020 |
4 | 10321021020021 |
5 | 132003312312 |
6 | 12051235053 |
7 | 2014511643 |
oct | 471111011 |
9 | 181415166 |
10 | 82088457 |
11 | 42378300 |
12 | 235a8a89 |
13 | 14011b69 |
14 | ac8b893 |
15 | 731778c |
hex | 4e49209 |
82088457 has 24 divisors (see below), whose sum is σ = 121551360. Its totient is φ = 49236000.
The previous prime is 82088453. The next prime is 82088471. The reversal of 82088457 is 75488028.
It is not a de Polignac number, because 82088457 - 22 = 82088453 is a prime.
It is not an unprimeable number, because it can be changed into a prime (82088453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35544 + ... + 37782.
It is an arithmetic number, because the mean of its divisors is an integer number (5064640).
Almost surely, 282088457 is an apocalyptic number.
It is an amenable number.
82088457 is a deficient number, since it is larger than the sum of its proper divisors (39462903).
82088457 is a wasteful number, since it uses less digits than its factorization.
82088457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2365 (or 2354 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 82088457 is about 9060.2680423926. The cubic root of 82088457 is about 434.6043118673.
The spelling of 82088457 in words is "eighty-two million, eighty-eight thousand, four hundred fifty-seven".
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