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129734 = 2115897
BaseRepresentation
bin11111101011000110
320120221222
4133223012
513122414
62440342
71050143
oct375306
9216858
10129734
1189520
12630b2
1347087
14353ca
152868e
hex1fac6

129734 has 8 divisors (see below), whose sum is σ = 212328. Its totient is φ = 58960.

The previous prime is 129733. The next prime is 129737. The reversal of 129734 is 437921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129733) 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 3 ways as a sum of consecutive naturals, for example, 2927 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (26541).

2129734 is an apocalyptic number.

129734 is a deficient number, since it is larger than the sum of its proper divisors (82594).

129734 is a wasteful number, since it uses less digits than its factorization.

129734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910.

The product of its digits is 1512, while the sum is 26.

The square root of 129734 is about 360.1860630285. The cubic root of 129734 is about 50.6233952649.

It can be divided in two parts, 1297 and 34, that added together give a palindrome (1331).

The spelling of 129734 in words is "one hundred twenty-nine thousand, seven hundred thirty-four".

Divisors: 1 2 11 22 5897 11794 64867 129734