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129350408 = 23114135851
BaseRepresentation
bin1111011010110…
…11101100001000
3100000101200101212
413231123230020
5231103203113
620500232252
73130313615
oct755335410
9300350355
10129350408
1167018970
123739b688
1320a4bc05
141327150c
15b5510a8
hex7b5bb08

129350408 has 32 divisors (see below), whose sum is σ = 271041120. Its totient is φ = 57360000.

The previous prime is 129350393. The next prime is 129350447. The reversal of 129350408 is 804053921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14318 + ... + 21533.

It is an arithmetic number, because the mean of its divisors is an integer number (8470035).

Almost surely, 2129350408 is an apocalyptic number.

It is an amenable number.

129350408 is an abundant number, since it is smaller than the sum of its proper divisors (141690712).

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

129350408 is a wasteful number, since it uses less digits than its factorization.

129350408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35909 (or 35905 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 129350408 is about 11373.2320823942. The cubic root of 129350408 is about 505.7345230529.

The spelling of 129350408 in words is "one hundred twenty-nine million, three hundred fifty thousand, four hundred eight".

Divisors: 1 2 4 8 11 22 41 44 82 88 164 328 451 902 1804 3608 35851 71702 143404 286808 394361 788722 1469891 1577444 2939782 3154888 5879564 11759128 16168801 32337602 64675204 129350408