Base | Representation |
---|---|
bin | 1010010101110… |
… | …01000111100110 |
3 | 20001012220221100 |
4 | 11022321013212 |
5 | 134201211403 |
6 | 12335100530 |
7 | 2102201415 |
oct | 512710746 |
9 | 201186840 |
10 | 86741478 |
11 | 44a6617a |
12 | 25071746 |
13 | 14c80a25 |
14 | b73d47c |
15 | 79362a3 |
hex | 52b91e6 |
86741478 has 24 divisors (see below), whose sum is σ = 188592768. Its totient is φ = 28813392.
The previous prime is 86741477. The next prime is 86741491. The reversal of 86741478 is 87414768.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86741477) 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, 2950 + ... + 13497.
It is an arithmetic number, because the mean of its divisors is an integer number (7858032).
Almost surely, 286741478 is an apocalyptic number.
86741478 is an abundant number, since it is smaller than the sum of its proper divisors (101851290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86741478 is a wasteful number, since it uses less digits than its factorization.
86741478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16748 (or 16745 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 86741478 is about 9313.5105089327. The cubic root of 86741478 is about 442.6654289060.
The spelling of 86741478 in words is "eighty-six million, seven hundred forty-one thousand, four hundred seventy-eight".
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