Base | Representation |
---|---|
bin | 1001110010111… |
… | …10010001010001 |
3 | 12201121220222122 |
4 | 10321132101101 |
5 | 132014100212 |
6 | 12053144025 |
7 | 2015322266 |
oct | 471362121 |
9 | 181556878 |
10 | 82175057 |
11 | 42427378 |
12 | 2362b015 |
13 | 140423c3 |
14 | acb126d |
15 | 7333272 |
hex | 4e5e451 |
82175057 has 8 divisors (see below), whose sum is σ = 86631360. Its totient is φ = 77731920.
The previous prime is 82175003. The next prime is 82175077. The reversal of 82175057 is 75057128.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82175057 - 212 = 82170961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82175077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207 + ... + 17027.
It is an arithmetic number, because the mean of its divisors is an integer number (10828920).
Almost surely, 282175057 is an apocalyptic number.
It is an amenable number.
82175057 is a deficient number, since it is larger than the sum of its proper divisors (4456303).
82175057 is a wasteful number, since it uses less digits than its factorization.
82175057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6583.
The product of its (nonzero) digits is 19600, while the sum is 35.
The square root of 82175057 is about 9065.0458906726. The cubic root of 82175057 is about 434.7570881425.
The spelling of 82175057 in words is "eighty-two million, one hundred seventy-five thousand, fifty-seven".
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