Base | Representation |
---|---|
bin | 1010001100110… |
… | …11101011000000 |
3 | 12222000112010000 |
4 | 11012123223000 |
5 | 133401303123 |
6 | 12254040000 |
7 | 2056231614 |
oct | 506335300 |
9 | 188015100 |
10 | 85572288 |
11 | 443377aa |
12 | 247a9000 |
13 | 149617b9 |
14 | b517344 |
15 | 77a4b43 |
hex | 519bac0 |
85572288 has 140 divisors (see below), whose sum is σ = 268861032. Its totient is φ = 26818560.
The previous prime is 85572283. The next prime is 85572299. The reversal of 85572288 is 88227558.
It is a zygodrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (85572283) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87643 + ... + 88613.
Almost surely, 285572288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85572288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134430516).
85572288 is an abundant number, since it is smaller than the sum of its proper divisors (183288744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85572288 is a wasteful number, since it uses less digits than its factorization.
85572288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1012 (or 993 counting only the distinct ones).
The product of its digits is 358400, while the sum is 45.
The square root of 85572288 is about 9250.5290659508. The cubic root of 85572288 is about 440.6675267238.
The spelling of 85572288 in words is "eighty-five million, five hundred seventy-two thousand, two hundred eighty-eight".
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