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129483328 = 2613198191
BaseRepresentation
bin1111011011111…
…00001001000000
3100000122102201211
413231330021000
5231121431303
620503135504
73131406262
oct755741100
9300572654
10129483328
11670a9817
1237444594
1320a97570
14132a7b32
15b57a66d
hex7b7c240

129483328 has 56 divisors (see below), whose sum is σ = 291307520. Its totient is φ = 56609280.

The previous prime is 129483323. The next prime is 129483331. The reversal of 129483328 is 823384921.

It is not an unprimeable number, because it can be changed into a prime (129483323) 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, 11713 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (5201920).

Almost surely, 2129483328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129483328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145653760).

129483328 is an abundant number, since it is smaller than the sum of its proper divisors (161824192).

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

129483328 is a wasteful number, since it uses less digits than its factorization.

129483328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235 (or 8225 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 129483328 is about 11379.0741275378. The cubic root of 129483328 is about 505.9076940571.

The spelling of 129483328 in words is "one hundred twenty-nine million, four hundred eighty-three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 64 76 104 152 208 247 304 416 494 608 832 988 1216 1976 3952 7904 8191 15808 16382 32764 65528 106483 131056 155629 212966 262112 311258 425932 524224 622516 851864 1245032 1703728 2023177 2490064 3407456 4046354 4980128 6814912 8092708 9960256 16185416 32370832 64741664 129483328