Base | Representation |
---|---|
bin | 1010001110000… |
… | …01110001000111 |
3 | 12222022110011020 |
4 | 11013001301013 |
5 | 133421301302 |
6 | 12301242223 |
7 | 2060451546 |
oct | 507016107 |
9 | 188273136 |
10 | 85728327 |
11 | 44433a63 |
12 | 24863373 |
13 | 149b7829 |
14 | b55815d |
15 | 77d5ebc |
hex | 51c1c47 |
85728327 has 4 divisors (see below), whose sum is σ = 114304440. Its totient is φ = 57152216.
The previous prime is 85728317. The next prime is 85728347. The reversal of 85728327 is 72382758.
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 85728327 - 211 = 85726279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85728317) 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, 14288052 + ... + 14288057.
It is an arithmetic number, because the mean of its divisors is an integer number (28576110).
Almost surely, 285728327 is an apocalyptic number.
85728327 is a deficient number, since it is larger than the sum of its proper divisors (28576113).
85728327 is a wasteful number, since it uses less digits than its factorization.
85728327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28576112.
The product of its digits is 188160, while the sum is 42.
The square root of 85728327 is about 9258.9592827704. The cubic root of 85728327 is about 440.9352129465.
The spelling of 85728327 in words is "eighty-five million, seven hundred twenty-eight thousand, three hundred twenty-seven".
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