Base | Representation |
---|---|
bin | 1010010101010… |
… | …01101110011001 |
3 | 20001002201110001 |
4 | 11022221232121 |
5 | 134142202200 |
6 | 12333453001 |
7 | 2101516531 |
oct | 512515631 |
9 | 201081401 |
10 | 86678425 |
11 | 44a22869 |
12 | 25041161 |
13 | 14c5b112 |
14 | b7244c1 |
15 | 792276a |
hex | 52a9b99 |
86678425 has 12 divisors (see below), whose sum is σ = 107597776. Its totient is φ = 69267600.
The previous prime is 86678413. The next prime is 86678429. The reversal of 86678425 is 52487668.
It is not a de Polignac number, because 86678425 - 27 = 86678297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86678429) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39610 + ... + 41740.
Almost surely, 286678425 is an apocalyptic number.
It is an amenable number.
86678425 is a deficient number, since it is larger than the sum of its proper divisors (20919351).
86678425 is a wasteful number, since it uses less digits than its factorization.
86678425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3768 (or 3763 counting only the distinct ones).
The product of its digits is 645120, while the sum is 46.
The square root of 86678425 is about 9310.1248648984. The cubic root of 86678425 is about 442.5581440189.
The spelling of 86678425 in words is "eighty-six million, six hundred seventy-eight thousand, four hundred twenty-five".
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