Base | Representation |
---|---|
bin | 1001111000010… |
… | …01001010010101 |
3 | 12202221111011112 |
4 | 10330021022111 |
5 | 132204000104 |
6 | 12120144405 |
7 | 2024266106 |
oct | 474111225 |
9 | 182844145 |
10 | 82875029 |
11 | 42865266 |
12 | 23908105 |
13 | 14228ba3 |
14 | b0143ad |
15 | 742086e |
hex | 4f09295 |
82875029 has 4 divisors (see below), whose sum is σ = 83924160. Its totient is φ = 81825900.
The previous prime is 82875019. The next prime is 82875043. The reversal of 82875029 is 92057828.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 82875029 - 224 = 66097813 is a prime.
It is a super-3 number, since 3×828750293 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82875019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524447 + ... + 524604.
It is an arithmetic number, because the mean of its divisors is an integer number (20981040).
Almost surely, 282875029 is an apocalyptic number.
It is an amenable number.
82875029 is a deficient number, since it is larger than the sum of its proper divisors (1049131).
82875029 is a wasteful number, since it uses less digits than its factorization.
82875029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049130.
The product of its (nonzero) digits is 80640, while the sum is 41.
The square root of 82875029 is about 9103.5723207980. The cubic root of 82875029 is about 435.9880285269.
It can be divided in two parts, 828 and 75029, that added together give a palindrome (75857).
The spelling of 82875029 in words is "eighty-two million, eight hundred seventy-five thousand, twenty-nine".
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