Base | Representation |
---|---|
bin | 100101101010… |
… | …001010011001 |
3 | 200120112212120 |
4 | 211222022121 |
5 | 10011401100 |
6 | 551331453 |
7 | 146624262 |
oct | 45521231 |
9 | 20515776 |
10 | 9872025 |
11 | 5632aa9 |
12 | 3380b89 |
13 | 2078547 |
14 | 144d969 |
15 | d000a0 |
hex | 96a299 |
9872025 has 12 divisors (see below), whose sum is σ = 16321872. Its totient is φ = 5265040.
The previous prime is 9872017. The next prime is 9872047. The reversal of 9872025 is 5202789.
It is not a de Polignac number, because 9872025 - 23 = 9872017 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.
9872025 is a lucky number.
It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 65739 + ... + 65888.
It is an arithmetic number, because the mean of its divisors is an integer number (1360156).
Almost surely, 29872025 is an apocalyptic number.
It is an amenable number.
9872025 is a deficient number, since it is larger than the sum of its proper divisors (6449847).
9872025 is a wasteful number, since it uses less digits than its factorization.
9872025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131640 (or 131635 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 9872025 is about 3141.9778802531. The cubic root of 9872025 is about 214.5204744612.
The spelling of 9872025 in words is "nine million, eight hundred seventy-two thousand, twenty-five".
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