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129796 = 2237877
BaseRepresentation
bin11111101100000100
320121001021
4133230010
513123141
62440524
71050262
oct375404
9217037
10129796
1189577
1263144
1347104
1435432
15286d1
hex1fb04

129796 has 12 divisors (see below), whose sum is σ = 233548. Its totient is φ = 63072.

The previous prime is 129793. The next prime is 129803. The reversal of 129796 is 697921.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 16900 = 336^2 + 130^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a pancake number, because a pancake can be divided into 129796 parts by 509 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (129793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 586.

2129796 is an apocalyptic number.

It is an amenable number.

129796 is a deficient number, since it is larger than the sum of its proper divisors (103752).

129796 is a wasteful number, since it uses less digits than its factorization.

129796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 129796 is about 360.2721193765. The cubic root of 129796 is about 50.6314583032.

The spelling of 129796 in words is "one hundred twenty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 4 37 74 148 877 1754 3508 32449 64898 129796