Base | Representation |
---|---|
bin | 1010001011011… |
… | …11001100101101 |
3 | 12221200021020020 |
4 | 11011233030231 |
5 | 133324441000 |
6 | 12250112353 |
7 | 2054542542 |
oct | 505571455 |
9 | 187607206 |
10 | 85390125 |
11 | 44222957 |
12 | 2471b6b9 |
13 | 148c9902 |
14 | b4aabc9 |
15 | 776aba0 |
hex | 516f32d |
85390125 has 16 divisors (see below), whose sum is σ = 142089792. Its totient is φ = 45541200.
The previous prime is 85390121. The next prime is 85390139. The reversal of 85390125 is 52109358.
It is not a de Polignac number, because 85390125 - 22 = 85390121 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85390121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113479 + ... + 114228.
It is an arithmetic number, because the mean of its divisors is an integer number (8880612).
Almost surely, 285390125 is an apocalyptic number.
It is an amenable number.
85390125 is a deficient number, since it is larger than the sum of its proper divisors (56699667).
85390125 is a wasteful number, since it uses less digits than its factorization.
85390125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227725 (or 227715 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 33.
The square root of 85390125 is about 9240.6777348850. The cubic root of 85390125 is about 440.3546125436.
The spelling of 85390125 in words is "eighty-five million, three hundred ninety thousand, one hundred twenty-five".
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