Base | Representation |
---|---|
bin | 11110111010000101101010 |
3 | 120020122012100 |
4 | 132322011222 |
5 | 4033233000 |
6 | 445354230 |
7 | 125603502 |
oct | 36720552 |
9 | 16218170 |
10 | 8102250 |
11 | 4634382 |
12 | 2868976 |
13 | 18a8b40 |
14 | 110ca02 |
15 | aa0a00 |
hex | 7ba16a |
8102250 has 96 divisors (see below), whose sum is σ = 23678928. Its totient is φ = 1987200.
The previous prime is 8102221. The next prime is 8102257. The reversal of 8102250 is 522018.
It can be written as a sum of positive squares in 8 ways, for example, as 301401 + 7800849 = 549^2 + 2793^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8102257) 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 47 ways as a sum of consecutive naturals, for example, 29112 + ... + 29388.
Almost surely, 28102250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8102250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11839464).
8102250 is an abundant number, since it is smaller than the sum of its proper divisors (15576678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8102250 is a wasteful number, since it uses less digits than its factorization.
8102250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313 (or 300 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 8102250 is about 2846.4451514125. The cubic root of 8102250 is about 200.8484786628.
Adding to 8102250 its reverse (522018), we get a palindrome (8624268).
It can be divided in two parts, 810 and 2250, that multiplied together give a square (1822500 = 13502).
The spelling of 8102250 in words is "eight million, one hundred two thousand, two hundred fifty".
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