Base | Representation |
---|---|
bin | 1010010011110… |
… | …11010001001000 |
3 | 20000202001102022 |
4 | 11021323101020 |
5 | 134120110021 |
6 | 12325424012 |
7 | 2100065000 |
oct | 511732110 |
9 | 200661368 |
10 | 86488136 |
11 | 449028a9 |
12 | 24b6b008 |
13 | 14bc2617 |
14 | b6b5000 |
15 | 78d61ab |
hex | 527b448 |
86488136 has 64 divisors (see below), whose sum is σ = 193776000. Its totient is φ = 36154944.
The previous prime is 86488117. The next prime is 86488141. The reversal of 86488136 is 63188468.
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 86488136 = 1683 + 4343 = 2903 + 3963.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117626 + ... + 118358.
It is an arithmetic number, because the mean of its divisors is an integer number (3027750).
Almost surely, 286488136 is an apocalyptic number.
86488136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86488136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96888000).
86488136 is an abundant number, since it is smaller than the sum of its proper divisors (107287864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86488136 is a wasteful number, since it uses less digits than its factorization.
86488136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 803 (or 785 counting only the distinct ones).
The product of its digits is 221184, while the sum is 44.
The square root of 86488136 is about 9299.8997844063. The cubic root of 86488136 is about 442.2340508813.
The spelling of 86488136 in words is "eighty-six million, four hundred eighty-eight thousand, one hundred thirty-six".
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