Base | Representation |
---|---|
bin | 1010001101111… |
… | …10101100001101 |
3 | 12222021210212111 |
4 | 11012332230031 |
5 | 133420400400 |
6 | 12301104021 |
7 | 2060400034 |
oct | 506765415 |
9 | 188253774 |
10 | 85715725 |
11 | 44425547 |
12 | 24858011 |
13 | 149b1b84 |
14 | b55371b |
15 | 77d23ba |
hex | 51beb0d |
85715725 has 12 divisors (see below), whose sum is σ = 106516000. Its totient is φ = 68425200.
The previous prime is 85715723. The next prime is 85715737. The reversal of 85715725 is 52751758.
It is not a de Polignac number, because 85715725 - 21 = 85715723 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85715723) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9040 + ... + 15910.
Almost surely, 285715725 is an apocalyptic number.
It is an amenable number.
85715725 is a deficient number, since it is larger than the sum of its proper divisors (20800275).
85715725 is a wasteful number, since it uses less digits than its factorization.
85715725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7380 (or 7375 counting only the distinct ones).
The product of its digits is 98000, while the sum is 40.
The square root of 85715725 is about 9258.2787277118. The cubic root of 85715725 is about 440.9136061722.
The spelling of 85715725 in words is "eighty-five million, seven hundred fifteen thousand, seven hundred twenty-five".
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