| Base | Representation |
|---|---|
| bin | 1010010101000… |
| … | …00110111011000 |
| 3 | 20001000212200000 |
| 4 | 11022200313120 |
| 5 | 134140022021 |
| 6 | 12333013000 |
| 7 | 2101305660 |
| oct | 512406730 |
| 9 | 201025600 |
| 10 | 86642136 |
| 11 | 449a8579 |
| 12 | 25024160 |
| 13 | 14c47749 |
| 14 | b7151a0 |
| 15 | 7916b26 |
| hex | 52a0dd8 |
86642136 has 96 divisors (see below), whose sum is σ = 278154240. Its totient is φ = 24751008.
The previous prime is 86642131. The next prime is 86642141. The reversal of 86642136 is 63124668.
86642136 is a `hidden beast` number, since 8 + 6 + 642 + 1 + 3 + 6 = 666.
It is an interprime number because it is at equal distance from previous prime (86642131) and next prime (86642141).
It is a super-4 number, since 4×866421364 (a number of 33 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 86642136.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86642131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10425 + ... + 16791.
It is an arithmetic number, because the mean of its divisors is an integer number (2897440).
Almost surely, 286642136 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 86642136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139077120).
86642136 is an abundant number, since it is smaller than the sum of its proper divisors (191512104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86642136 is a wasteful number, since it uses less digits than its factorization.
86642136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6395 (or 6379 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 86642136 is about 9308.1757611253. The cubic root of 86642136 is about 442.4963745753.
The spelling of 86642136 in words is "eighty-six million, six hundred forty-two thousand, one hundred thirty-six".
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