Base | Representation |
---|---|
bin | 1010001000101… |
… | …10001011000111 |
3 | 12220222202000211 |
4 | 11010112023013 |
5 | 133231303404 |
6 | 12234220251 |
7 | 2051463460 |
oct | 504261307 |
9 | 186882024 |
10 | 85025479 |
11 | 43aa39a0 |
12 | 24584687 |
13 | 147cc946 |
14 | b413d67 |
15 | 76e7b04 |
hex | 51162c7 |
85025479 has 16 divisors (see below), whose sum is σ = 107594496. Its totient is φ = 65260800.
The previous prime is 85025471. The next prime is 85025489. The reversal of 85025479 is 97452058.
It is not a de Polignac number, because 85025479 - 23 = 85025471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85025471) 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, 3082 + ... + 13399.
It is an arithmetic number, because the mean of its divisors is an integer number (6724656).
Almost surely, 285025479 is an apocalyptic number.
85025479 is a deficient number, since it is larger than the sum of its proper divisors (22569017).
85025479 is a wasteful number, since it uses less digits than its factorization.
85025479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16566.
The product of its (nonzero) digits is 100800, while the sum is 40.
The square root of 85025479 is about 9220.9261465430. The cubic root of 85025479 is about 439.7268949145.
The spelling of 85025479 in words is "eighty-five million, twenty-five thousand, four hundred seventy-nine".
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