Base | Representation |
---|---|
bin | 1010001011011… |
… | …10011110110001 |
3 | 12221200010012100 |
4 | 11011232132301 |
5 | 133324342220 |
6 | 12250051013 |
7 | 2054531142 |
oct | 505563661 |
9 | 187603170 |
10 | 85387185 |
11 | 44220724 |
12 | 24719a69 |
13 | 148c8480 |
14 | b4a9ac9 |
15 | 7769d90 |
hex | 516e7b1 |
85387185 has 48 divisors (see below), whose sum is σ = 160340544. Its totient is φ = 41786496.
The previous prime is 85387153. The next prime is 85387193. The reversal of 85387185 is 58178358.
It is a happy number.
It is not a de Polignac number, because 85387185 - 25 = 85387153 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 85387185.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132474 + ... + 133116.
It is an arithmetic number, because the mean of its divisors is an integer number (3340428).
Almost surely, 285387185 is an apocalyptic number.
It is an amenable number.
85387185 is a deficient number, since it is larger than the sum of its proper divisors (74953359).
85387185 is a wasteful number, since it uses less digits than its factorization.
85387185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894 (or 891 counting only the distinct ones).
The product of its digits is 268800, while the sum is 45.
The square root of 85387185 is about 9240.5186542748. The cubic root of 85387185 is about 440.3495586516.
The spelling of 85387185 in words is "eighty-five million, three hundred eighty-seven thousand, one hundred eighty-five".
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