Base | Representation |
---|---|
bin | 1010001111111… |
… | …10000010011101 |
3 | 12222202222210120 |
4 | 11013332002131 |
5 | 134002201242 |
6 | 12310425153 |
7 | 2062530360 |
oct | 507760235 |
9 | 188688716 |
10 | 85975197 |
11 | 44592490 |
12 | 249621b9 |
13 | 14a72cc9 |
14 | b5c00d7 |
15 | 78341ec |
hex | 51fe09d |
85975197 has 32 divisors (see below), whose sum is σ = 143646720. Its totient is φ = 44435520.
The previous prime is 85975193. The next prime is 85975199. The reversal of 85975197 is 79157958.
It is not a de Polignac number, because 85975197 - 22 = 85975193 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85975193) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50679 + ... + 52347.
It is an arithmetic number, because the mean of its divisors is an integer number (4488960).
Almost surely, 285975197 is an apocalyptic number.
It is an amenable number.
85975197 is a deficient number, since it is larger than the sum of its proper divisors (57671523).
85975197 is a wasteful number, since it uses less digits than its factorization.
85975197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1913.
The product of its digits is 793800, while the sum is 51.
The square root of 85975197 is about 9272.2811109241. The cubic root of 85975197 is about 441.3580578366.
The spelling of 85975197 in words is "eighty-five million, nine hundred seventy-five thousand, one hundred ninety-seven".
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