Base | Representation |
---|---|
bin | 1010010010101… |
… | …00011000100111 |
3 | 20000102221221121 |
4 | 11021110120213 |
5 | 134100010441 |
6 | 12322154411 |
7 | 2065532446 |
oct | 511243047 |
9 | 200387847 |
10 | 86328871 |
11 | 44804182 |
12 | 24ab2a07 |
13 | 14b67c95 |
14 | b672d5d |
15 | 78a3dd1 |
hex | 5254627 |
86328871 has 2 divisors, whose sum is σ = 86328872. Its totient is φ = 86328870.
The previous prime is 86328833. The next prime is 86328877. The reversal of 86328871 is 17882368.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 86328871 - 27 = 86328743 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (86328877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164435 + 43164436.
It is an arithmetic number, because the mean of its divisors is an integer number (43164436).
Almost surely, 286328871 is an apocalyptic number.
86328871 is a deficient number, since it is larger than the sum of its proper divisors (1).
86328871 is an equidigital number, since it uses as much as digits as its factorization.
86328871 is an evil number, because the sum of its binary digits is even.
The product of its digits is 129024, while the sum is 43.
The square root of 86328871 is about 9291.3331120997. Note that the first 3 decimals coincide. The cubic root of 86328871 is about 441.9624310322.
The spelling of 86328871 in words is "eighty-six million, three hundred twenty-eight thousand, eight hundred seventy-one".
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