Base | Representation |
---|---|
bin | 1010001000101… |
… | …00011111101101 |
3 | 12220222101121020 |
4 | 11010110133231 |
5 | 133231043410 |
6 | 12234124353 |
7 | 2051434440 |
oct | 504243755 |
9 | 186871536 |
10 | 85018605 |
11 | 43a99811 |
12 | 245806b9 |
13 | 147c9789 |
14 | b411657 |
15 | 76e5a70 |
hex | 51147ed |
85018605 has 16 divisors (see below), whose sum is σ = 155462784. Its totient is φ = 38865600.
The previous prime is 85018589. The next prime is 85018613. The reversal of 85018605 is 50681058.
It is not a de Polignac number, because 85018605 - 24 = 85018589 is a prime.
It is a super-2 number, since 2×850186052 = 14456326392292050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404746 + ... + 404955.
It is an arithmetic number, because the mean of its divisors is an integer number (9716424).
Almost surely, 285018605 is an apocalyptic number.
It is an amenable number.
85018605 is a deficient number, since it is larger than the sum of its proper divisors (70444179).
85018605 is a wasteful number, since it uses less digits than its factorization.
85018605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809716.
The product of its (nonzero) digits is 9600, while the sum is 33.
The square root of 85018605 is about 9220.5533998779. The cubic root of 85018605 is about 439.7150444897.
The spelling of 85018605 in words is "eighty-five million, eighteen thousand, six hundred five".
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