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30283 = 112753
BaseRepresentation
bin111011001001011
31112112121
413121023
51432113
6352111
7154201
oct73113
945477
1030283
1120830
1215637
1310a26
14b071
158e8d
hex764b

30283 has 4 divisors (see below), whose sum is σ = 33048. Its totient is φ = 27520.

The previous prime is 30271. The next prime is 30293. The reversal of 30283 is 38203.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30283 - 213 = 22091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203) 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, 1366 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (8262).

230283 is an apocalyptic number.

30283 is a deficient number, since it is larger than the sum of its proper divisors (2765).

30283 is a wasteful number, since it uses less digits than its factorization.

30283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30283 is about 174.0201137800. The cubic root of 30283 is about 31.1697246309.

Adding to 30283 its reverse (38203), we get a palindrome (68486).

It can be divided in two parts, 30 and 283, that added together give a palindrome (313).

The spelling of 30283 in words is "thirty thousand, two hundred eighty-three".

Divisors: 1 11 2753 30283