Base | Representation |
---|---|
bin | 1010010101100… |
… | …10101001111001 |
3 | 20001011120121201 |
4 | 11022302221321 |
5 | 134144340001 |
6 | 12334334201 |
7 | 2102031262 |
oct | 512625171 |
9 | 201146551 |
10 | 86715001 |
11 | 44a4829a |
12 | 2505a361 |
13 | 14c71969 |
14 | b733969 |
15 | 792d501 |
hex | 52b2a79 |
86715001 has 2 divisors, whose sum is σ = 86715002. Its totient is φ = 86715000.
The previous prime is 86714981. The next prime is 86715007. The reversal of 86715001 is 10051768.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 68906601 + 17808400 = 8301^2 + 4220^2 .
It is a cyclic number.
It is not a de Polignac number, because 86715001 - 211 = 86712953 is a prime.
It is not a weakly prime, because it can be changed into another prime (86715007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43357500 + 43357501.
It is an arithmetic number, because the mean of its divisors is an integer number (43357501).
Almost surely, 286715001 is an apocalyptic number.
It is an amenable number.
86715001 is a deficient number, since it is larger than the sum of its proper divisors (1).
86715001 is an equidigital number, since it uses as much as digits as its factorization.
86715001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1680, while the sum is 28.
The square root of 86715001 is about 9312.0889707949. The cubic root of 86715001 is about 442.6203845375.
Adding to 86715001 its reverse (10051768), we get a palindrome (96766769).
The spelling of 86715001 in words is "eighty-six million, seven hundred fifteen thousand, one".
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