90130 has 8 divisors (see below), whose sum is σ = 162252. Its totient is φ = 36048.
The previous prime is 90127. The next prime is 90149. The reversal of 90130 is 3109.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 89401 + 729 = 299^2 + 27^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a plaindrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 90130.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497 + ... + 4516.
290130 is an apocalyptic number.
90130 is a deficient number, since it is larger than the sum of its proper divisors (72122).
90130 is a wasteful number, since it uses less digits than its factorization.
90130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9020.
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 90130 is about 300.2165884824. The cubic root of 90130 is about 44.8356142189.
Adding to 90130 its reverse (3109), we get a palindrome (93239).
The spelling of 90130 in words is "ninety thousand, one hundred thirty".
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