Base | Representation |
---|---|
bin | 1010010110001… |
… | …01011101000101 |
3 | 20001022111020201 |
4 | 11023011131011 |
5 | 134204321010 |
6 | 12340130501 |
7 | 2102501626 |
oct | 513053505 |
9 | 201274221 |
10 | 86792005 |
11 | 44aa0133 |
12 | 25096a31 |
13 | 14c9aa21 |
14 | b753a4d |
15 | 794623a |
hex | 52c5745 |
86792005 has 8 divisors (see below), whose sum is σ = 106115832. Its totient is φ = 68123328.
The previous prime is 86791997. The next prime is 86792051. The reversal of 86792005 is 50029768.
It can be written as a sum of positive squares in 4 ways, for example, as 7064964 + 79727041 = 2658^2 + 8929^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 86792005 - 23 = 86791997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163494 + ... + 164023.
It is an arithmetic number, because the mean of its divisors is an integer number (13264479).
Almost surely, 286792005 is an apocalyptic number.
It is an amenable number.
86792005 is a deficient number, since it is larger than the sum of its proper divisors (19323827).
86792005 is a wasteful number, since it uses less digits than its factorization.
86792005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327575.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 86792005 is about 9316.2226787470. Note that the first 3 decimals coincide. The cubic root of 86792005 is about 442.7513632448.
The spelling of 86792005 in words is "eighty-six million, seven hundred ninety-two thousand, five".
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