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129883 = 1397103
BaseRepresentation
bin11111101101011011
320121011111
4133231123
513124013
62441151
71050445
oct375533
9217144
10129883
1189646
12631b7
1347170
1435495
152873d
hex1fb5b

129883 has 8 divisors (see below), whose sum is σ = 142688. Its totient is φ = 117504.

The previous prime is 129853. The next prime is 129887. The reversal of 129883 is 388921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-129883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (17836).

2129883 is an apocalyptic number.

129883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

129883 is a deficient number, since it is larger than the sum of its proper divisors (12805).

129883 is a wasteful number, since it uses less digits than its factorization.

129883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 3456, while the sum is 31.

The square root of 129883 is about 360.3928412164. The cubic root of 129883 is about 50.6427682385.

The spelling of 129883 in words is "one hundred twenty-nine thousand, eight hundred eighty-three".

Divisors: 1 13 97 103 1261 1339 9991 129883