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129303 = 334789
BaseRepresentation
bin11111100100010111
320120101000
4133210113
513114203
62434343
71045656
oct374427
9216330
10129303
1189169
12629b3
1346b15
143519d
15284a3
hex1f917

129303 has 8 divisors (see below), whose sum is σ = 191600. Its totient is φ = 86184.

The previous prime is 129293. The next prime is 129313. The reversal of 129303 is 303921.

It is an interprime number because it is at equal distance from previous prime (129293) and next prime (129313).

It is not a de Polignac number, because 129303 - 24 = 129287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (23950).

2129303 is an apocalyptic number.

129303 is a deficient number, since it is larger than the sum of its proper divisors (62297).

129303 is an equidigital number, since it uses as much as digits as its factorization.

129303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 129303 is about 359.5872634007. The cubic root of 129303 is about 50.5672730201.

The spelling of 129303 in words is "one hundred twenty-nine thousand, three hundred three".

Divisors: 1 3 9 27 4789 14367 43101 129303