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29983 is a prime number
BaseRepresentation
bin111010100011111
31112010111
413110133
51424413
6350451
7153262
oct72437
945114
1029983
1120588
1215427
1310855
14acd9
158d3d
hex751f

29983 has 2 divisors, whose sum is σ = 29984. Its totient is φ = 29982.

The previous prime is 29959. The next prime is 29989. The reversal of 29983 is 38992.

Subtracting 29983 from its reverse (38992), we obtain a palindrome (9009).

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29989) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14991 + 14992.

It is an arithmetic number, because the mean of its divisors is an integer number (14992).

229983 is an apocalyptic number.

29983 is a deficient number, since it is larger than the sum of its proper divisors (1).

29983 is an equidigital number, since it uses as much as digits as its factorization.

29983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 29983 is about 173.1559990298. The cubic root of 29983 is about 31.0664547336.

The spelling of 29983 in words is "twenty-nine thousand, nine hundred eighty-three".