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129096924 = 22311978007
BaseRepresentation
bin1111011000111…
…01110011011100
322222220210200120
413230131303130
5231022100144
620450554540
73125206605
oct754356334
9288823616
10129096924
1166965480
1237298a50
1320990718
1413206dac
15b500e19
hex7b1dcdc

129096924 has 24 divisors (see below), whose sum is σ = 328610688. Its totient is φ = 39120240.

The previous prime is 129096917. The next prime is 129096937. The reversal of 129096924 is 429690921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488872 + ... + 489135.

It is an arithmetic number, because the mean of its divisors is an integer number (13692112).

Almost surely, 2129096924 is an apocalyptic number.

It is an amenable number.

129096924 is an abundant number, since it is smaller than the sum of its proper divisors (199513764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129096924 is a wasteful number, since it uses less digits than its factorization.

129096924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978025 (or 978023 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 129096924 is about 11362.0827316122. The cubic root of 129096924 is about 505.4039495782.

The spelling of 129096924 in words is "one hundred twenty-nine million, ninety-six thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 978007 1956014 2934021 3912028 5868042 10758077 11736084 21516154 32274231 43032308 64548462 129096924