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129338 = 2115879
BaseRepresentation
bin11111100100111010
320120102022
4133210322
513114323
62434442
71046036
oct374472
9216368
10129338
11891a0
1262a22
1346b41
14351c6
15284c8
hex1f93a

129338 has 8 divisors (see below), whose sum is σ = 211680. Its totient is φ = 58780.

The previous prime is 129313. The next prime is 129341. The reversal of 129338 is 833921.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2918 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2129338 is an apocalyptic number.

129338 is a deficient number, since it is larger than the sum of its proper divisors (82342).

129338 is a wasteful number, since it uses less digits than its factorization.

129338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892.

The product of its digits is 1296, while the sum is 26.

The square root of 129338 is about 359.6359270151. The cubic root of 129338 is about 50.5718351593.

It can be divided in two parts, 1293 and 38, that added together give a palindrome (1331).

The spelling of 129338 in words is "one hundred twenty-nine thousand, three hundred thirty-eight".

Divisors: 1 2 11 22 5879 11758 64669 129338