Base | Representation |
---|---|
bin | 1010001010001… |
… | …00011101111000 |
3 | 12221100101010200 |
4 | 11011010131320 |
5 | 133303340341 |
6 | 12242242200 |
7 | 2053213341 |
oct | 505043570 |
9 | 187311120 |
10 | 85215096 |
11 | 441133aa |
12 | 24656360 |
13 | 14868045 |
14 | b4630c8 |
15 | 7733db6 |
hex | 5144778 |
85215096 has 96 divisors (see below), whose sum is σ = 238314960. Its totient is φ = 27495936.
The previous prime is 85215077. The next prime is 85215103. The reversal of 85215096 is 69051258.
It is a happy number.
It is a super-2 number, since 2×852150962 = 14523225172578432, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 85215096.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522711 + ... + 522873.
Almost surely, 285215096 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 85215096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119157480).
85215096 is an abundant number, since it is smaller than the sum of its proper divisors (153099864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85215096 is a wasteful number, since it uses less digits than its factorization.
85215096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365 (or 358 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 85215096 is about 9231.2023052255. The cubic root of 85215096 is about 440.0535334314.
The spelling of 85215096 in words is "eighty-five million, two hundred fifteen thousand, ninety-six".
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