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9830 = 25983

9830 has 8 divisors (see below), whose sum is σ = 17712. Its totient is φ = 3928.

The previous prime is 9829. The next prime is 9833. The reversal of 9830 is 389.

9830 is nontrivially palindromic in base 4.

9830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9830 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

9830 is an undulating number in base 4.

It is a Curzon number.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9830.

It is not an unprimeable number, because it can be changed into a prime (9833) 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 3 ways as a sum of consecutive naturals, for example, 482 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (2214).

29830 is an apocalyptic number.

9830 is a deficient number, since it is larger than the sum of its proper divisors (7882).

9830 is a wasteful number, since it uses less digits than its factorization.

9830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9830 is about 99.1463564636. The cubic root of 9830 is about 21.4215638462.

It can be divided in two parts, 98 and 30, that added together give a 7-th power (128 = 27).

The spelling of 9830 in words is "nine thousand, eight hundred thirty".

Divisors: 1 2 5 10 983 1966 4915 9830