Base | Representation |
---|---|
bin | 1010001010010… |
… | …11111100010101 |
3 | 12221101221010210 |
4 | 11011023330111 |
5 | 133310330332 |
6 | 12243040033 |
7 | 2053401534 |
oct | 505137425 |
9 | 187357123 |
10 | 85245717 |
11 | 44134407 |
12 | 24670019 |
13 | 14878c6b |
14 | b47031b |
15 | 773cecc |
hex | 514bf15 |
85245717 has 8 divisors (see below), whose sum is σ = 114786720. Its totient is φ = 56267600.
The previous prime is 85245709. The next prime is 85245749. The reversal of 85245717 is 71754258.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85245717 - 23 = 85245709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85245757) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140367 + ... + 140972.
It is an arithmetic number, because the mean of its divisors is an integer number (14348340).
Almost surely, 285245717 is an apocalyptic number.
It is an amenable number.
85245717 is a deficient number, since it is larger than the sum of its proper divisors (29541003).
85245717 is a wasteful number, since it uses less digits than its factorization.
85245717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281443.
The product of its digits is 78400, while the sum is 39.
The square root of 85245717 is about 9232.8607159428. The cubic root of 85245717 is about 440.1062363999.
It can be divided in two parts, 8524 and 5717, that added together give a palindrome (14241).
The spelling of 85245717 in words is "eighty-five million, two hundred forty-five thousand, seven hundred seventeen".
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