108290 has 48 divisors (see below), whose sum is σ = 258552. Its totient is φ = 32256.
The previous prime is 108289. The next prime is 108293. The reversal of 108290 is 92801.
It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 25921 = 287^2 + 161^2 .
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (108293) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 6362 + ... + 6378.
2108290 is an apocalyptic number.
108290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
108290 is an abundant number, since it is smaller than the sum of its proper divisors (150262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108290 is a wasteful number, since it uses less digits than its factorization.
108290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51 (or 44 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 108290 is about 329.0744596592. The cubic root of 108290 is about 47.6646181220.
The spelling of 108290 in words is "one hundred eight thousand, two hundred ninety".
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