Base | Representation |
---|---|
bin | 1010001001001… |
… | …01011101000111 |
3 | 12221002220220001 |
4 | 11010211131013 |
5 | 133240304241 |
6 | 12235422131 |
7 | 2052144115 |
oct | 504453507 |
9 | 187086801 |
10 | 85088071 |
11 | 44036a22 |
12 | 245b4947 |
13 | 14822293 |
14 | b42cab5 |
15 | 770b431 |
hex | 5125747 |
85088071 has 4 divisors (see below), whose sum is σ = 85491544. Its totient is φ = 84684600.
The previous prime is 85088051. The next prime is 85088083. The reversal of 85088071 is 17088058.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 85088071 - 219 = 84563783 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 85088071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85088041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201420 + ... + 201841.
It is an arithmetic number, because the mean of its divisors is an integer number (21372886).
Almost surely, 285088071 is an apocalyptic number.
85088071 is a deficient number, since it is larger than the sum of its proper divisors (403473).
85088071 is a wasteful number, since it uses less digits than its factorization.
85088071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403472.
The product of its (nonzero) digits is 17920, while the sum is 37.
The square root of 85088071 is about 9224.3195412995. The cubic root of 85088071 is about 439.8347709498.
The spelling of 85088071 in words is "eighty-five million, eighty-eight thousand, seventy-one".
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