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129344338 = 2312086199
BaseRepresentation
bin1111011010110…
…10001101010010
3100000101101002001
413231122031102
5231103004323
620500144214
73130260124
oct755321522
9300341061
10129344338
1167014352
123739806a
1320a49216
141326d214
15b54e3ad
hex7b5a352

129344338 has 8 divisors (see below), whose sum is σ = 200275200. Its totient is φ = 62585940.

The previous prime is 129344317. The next prime is 129344351. The reversal of 129344338 is 833443921.

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

It is a junction number, because it is equal to n+sod(n) for n = 129344297 and 129344306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043038 + ... + 1043161.

It is an arithmetic number, because the mean of its divisors is an integer number (25034400).

Almost surely, 2129344338 is an apocalyptic number.

129344338 is a deficient number, since it is larger than the sum of its proper divisors (70930862).

129344338 is a wasteful number, since it uses less digits than its factorization.

129344338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086232.

The product of its digits is 62208, while the sum is 37.

The square root of 129344338 is about 11372.9652246017. The cubic root of 129344338 is about 505.7266120958.

The spelling of 129344338 in words is "one hundred twenty-nine million, three hundred forty-four thousand, three hundred thirty-eight".

Divisors: 1 2 31 62 2086199 4172398 64672169 129344338