Base | Representation |
---|---|
bin | 1010001000110… |
… | …10001000111101 |
3 | 12221000120022112 |
4 | 11010122020331 |
5 | 133232313400 |
6 | 12234423405 |
7 | 2051562026 |
oct | 504321075 |
9 | 187016275 |
10 | 85041725 |
11 | 4400511a |
12 | 24591b65 |
13 | 14807162 |
14 | b419c4d |
15 | 76ec835 |
hex | 511a23d |
85041725 has 24 divisors (see below), whose sum is σ = 109624680. Its totient is φ = 65387520.
The previous prime is 85041689. The next prime is 85041751. The reversal of 85041725 is 52714058.
It can be written as a sum of positive squares in 12 ways, for example, as 2540836 + 82500889 = 1594^2 + 9083^2 .
It is not a de Polignac number, because 85041725 - 28 = 85041469 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 85041691 and 85041700.
It is a congruent 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, 81809 + ... + 82841.
It is an arithmetic number, because the mean of its divisors is an integer number (4567695).
Almost surely, 285041725 is an apocalyptic number.
It is an amenable number.
85041725 is a deficient number, since it is larger than the sum of its proper divisors (24582955).
85041725 is a wasteful number, since it uses less digits than its factorization.
85041725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1169 (or 1164 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 32.
The square root of 85041725 is about 9221.8070355001. The cubic root of 85041725 is about 439.7548996501.
The spelling of 85041725 in words is "eighty-five million, forty-one thousand, seven hundred twenty-five".
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