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30343 = 191597
BaseRepresentation
bin111011010000111
31112121211
413122013
51432333
6352251
7154315
oct73207
945554
1030343
1120885
1215687
1310a71
14b0b5
158ecd
hex7687

30343 has 4 divisors (see below), whose sum is σ = 31960. Its totient is φ = 28728.

The previous prime is 30341. The next prime is 30347. The reversal of 30343 is 34303.

30343 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30343 - 21 = 30341 is a prime.

It is a d-powerful number, because it can be written as 3 + 0 + 38 + 46 + 39 .

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (7990).

230343 is an apocalyptic number.

30343 is a deficient number, since it is larger than the sum of its proper divisors (1617).

30343 is a wasteful number, since it uses less digits than its factorization.

30343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 30343 is about 174.1924223381. The cubic root of 30343 is about 31.1902966757.

Adding to 30343 its reverse (34303), we get a palindrome (64646).

It can be divided in two parts, 30 and 343, that added together give a palindrome (373).

The spelling of 30343 in words is "thirty thousand, three hundred forty-three".

Divisors: 1 19 1597 30343