Base | Representation |
---|---|
bin | 1010001101111… |
… | …10000101000111 |
3 | 12222021200102211 |
4 | 11012332011013 |
5 | 133420310343 |
6 | 12301044251 |
7 | 2060356531 |
oct | 506760507 |
9 | 188250384 |
10 | 85713223 |
11 | 44423682 |
12 | 24856687 |
13 | 149b09ab |
14 | b552851 |
15 | 77d179d |
hex | 51be147 |
85713223 has 4 divisors (see below), whose sum is σ = 85829328. Its totient is φ = 85597120.
The previous prime is 85713209. The next prime is 85713227. The reversal of 85713223 is 32231758.
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 85713223 - 213 = 85705031 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85713227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56938 + ... + 58423.
It is an arithmetic number, because the mean of its divisors is an integer number (21457332).
Almost surely, 285713223 is an apocalyptic number.
85713223 is a deficient number, since it is larger than the sum of its proper divisors (116105).
85713223 is a wasteful number, since it uses less digits than its factorization.
85713223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116104.
The product of its digits is 10080, while the sum is 31.
The square root of 85713223 is about 9258.1436044166. The cubic root of 85713223 is about 440.9093161131.
The spelling of 85713223 in words is "eighty-five million, seven hundred thirteen thousand, two hundred twenty-three".
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