Base | Representation |
---|---|
bin | 11001001011101111000 |
3 | 1112220222021 |
4 | 3021131320 |
5 | 202401313 |
6 | 25404224 |
7 | 10004566 |
oct | 3113570 |
9 | 1486867 |
10 | 825208 |
11 | 513a9a |
12 | 339674 |
13 | 22b7b7 |
14 | 176a36 |
15 | 11478d |
hex | c9778 |
825208 has 32 divisors (see below), whose sum is σ = 1674000. Its totient is φ = 380160.
The previous prime is 825203. The next prime is 825229. The reversal of 825208 is 802528.
It is an Ulam number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (825203) by changing a digit.
825208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228 + ... + 9316.
2825208 is an apocalyptic number.
It is an amenable number.
825208 is an abundant number, since it is smaller than the sum of its proper divisors (848792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
825208 is a wasteful number, since it uses less digits than its factorization.
825208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175 (or 171 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 825208 is about 908.4095992447. The cubic root of 825208 is about 93.7967541608.
It can be divided in two parts, 82520 and 8, that added together give a palindrome (82528).
The spelling of 825208 in words is "eight hundred twenty-five thousand, two hundred eight".
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