102486 has 32 divisors (see below), whose sum is σ = 230400. Its totient is φ = 30240.
The previous prime is 102481. The next prime is 102497. The reversal of 102486 is 684201.
It is a Curzon number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102481) by changing a digit.
102486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291 + ... + 3321.
It is an arithmetic number, because the mean of its divisors is an integer number (7200).
2102486 is an apocalyptic number.
102486 is an abundant number, since it is smaller than the sum of its proper divisors (127914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102486 is a wasteful number, since it uses less digits than its factorization.
102486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 102486 is about 320.1343467983. The cubic root of 102486 is about 46.7973773094.
Adding to 102486 its reverse (684201), we get a palindrome (786687).
The spelling of 102486 in words is "one hundred two thousand, four hundred eighty-six".
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