Base | Representation |
---|---|
bin | 1010010011100… |
… | …00111111011000 |
3 | 20000122220200012 |
4 | 11021300333120 |
5 | 134112233130 |
6 | 12324501052 |
7 | 2066531162 |
oct | 511607730 |
9 | 200586605 |
10 | 86446040 |
11 | 4488420a |
12 | 24b4a788 |
13 | 14ba9405 |
14 | b6a3932 |
15 | 78c8995 |
hex | 5270fd8 |
86446040 has 32 divisors (see below), whose sum is σ = 199251360. Its totient is φ = 33734400.
The previous prime is 86446007. The next prime is 86446043. The reversal of 86446040 is 4064468.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 86445988 and 86446006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86446043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24716 + ... + 27995.
It is an arithmetic number, because the mean of its divisors is an integer number (6226605).
Almost surely, 286446040 is an apocalyptic number.
It is an amenable number.
86446040 is an abundant number, since it is smaller than the sum of its proper divisors (112805320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86446040 is a wasteful number, since it uses less digits than its factorization.
86446040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52763 (or 52759 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 86446040 is about 9297.6362587488. The cubic root of 86446040 is about 442.1622903424.
The spelling of 86446040 in words is "eighty-six million, four hundred forty-six thousand, forty".
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