Base | Representation |
---|---|
bin | 1010010101111… |
… | …11111000111010 |
3 | 20001021022222110 |
4 | 11022333320322 |
5 | 134203103320 |
6 | 12335433150 |
7 | 2102345313 |
oct | 512777072 |
9 | 201238873 |
10 | 86769210 |
11 | 44a84aa0 |
12 | 250857b6 |
13 | 14c90538 |
14 | b74960a |
15 | 793e5e0 |
hex | 52bfe3a |
86769210 has 32 divisors (see below), whose sum is σ = 227178432. Its totient is φ = 21034880.
The previous prime is 86769203. The next prime is 86769211. The reversal of 86769210 is 1296768.
It is not an unprimeable number, because it can be changed into a prime (86769211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131139 + ... + 131798.
It is an arithmetic number, because the mean of its divisors is an integer number (7099326).
Almost surely, 286769210 is an apocalyptic number.
86769210 is an abundant number, since it is smaller than the sum of its proper divisors (140409222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86769210 is a wasteful number, since it uses less digits than its factorization.
86769210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262958.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 86769210 is about 9314.9991948470. Note that the first 3 decimals coincide. The cubic root of 86769210 is about 442.7125985336.
The spelling of 86769210 in words is "eighty-six million, seven hundred sixty-nine thousand, two hundred ten".
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