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129935 = 5131999
BaseRepresentation
bin11111101110001111
320121020102
4133232033
513124220
62441315
71050551
oct375617
9217212
10129935
1189693
126323b
13471b0
14354d1
1528775
hex1fb8f

129935 has 8 divisors (see below), whose sum is σ = 168000. Its totient is φ = 95904.

The previous prime is 129919. The next prime is 129937. The reversal of 129935 is 539921.

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

It is a cyclic number.

It is not a de Polignac number, because 129935 - 24 = 129919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129898 and 129907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129937) 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, 935 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2129935 is an apocalyptic number.

129935 is a deficient number, since it is larger than the sum of its proper divisors (38065).

129935 is a wasteful number, since it uses less digits than its factorization.

129935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017.

The product of its digits is 2430, while the sum is 29.

The square root of 129935 is about 360.4649774943. The cubic root of 129935 is about 50.6495257884.

The spelling of 129935 in words is "one hundred twenty-nine thousand, nine hundred thirty-five".

Divisors: 1 5 13 65 1999 9995 25987 129935