Base | Representation |
---|---|
bin | 11111111111001011001001 |
3 | 120210000100220 |
4 | 133333023021 |
5 | 4121311400 |
6 | 455420253 |
7 | 131162502 |
oct | 37771311 |
9 | 16700326 |
10 | 8385225 |
11 | 4807a42 |
12 | 2984689 |
13 | 1977894 |
14 | 1183ba9 |
15 | b097a0 |
hex | 7ff2c9 |
8385225 has 24 divisors (see below), whose sum is σ = 14469312. Its totient is φ = 4276800.
The previous prime is 8385217. The next prime is 8385239. The reversal of 8385225 is 5225838.
It is not a de Polignac number, because 8385225 - 23 = 8385217 is a prime.
It is a Curzon number.
8385225 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706 + ... + 4155.
It is an arithmetic number, because the mean of its divisors is an integer number (602888).
Almost surely, 28385225 is an apocalyptic number.
It is an amenable number.
8385225 is a deficient number, since it is larger than the sum of its proper divisors (6084087).
8385225 is a wasteful number, since it uses less digits than its factorization.
8385225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4897 (or 4892 counting only the distinct ones).
The product of its digits is 19200, while the sum is 33.
The square root of 8385225 is about 2895.7252977449. The cubic root of 8385225 is about 203.1600168428.
The spelling of 8385225 in words is "eight million, three hundred eighty-five thousand, two hundred twenty-five".
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