Base | Representation |
---|---|
bin | 1111011100110… |
… | …01110011001000 |
3 | 100000212121101002 |
4 | 13232121303020 |
5 | 231134323213 |
6 | 20505514132 |
7 | 3132423404 |
oct | 756316310 |
9 | 300777332 |
10 | 129604808 |
11 | 67182013 |
12 | 374a2948 |
13 | 20b0a948 |
14 | 132da104 |
15 | b5a1658 |
hex | 7b99cc8 |
129604808 has 16 divisors (see below), whose sum is σ = 243735180. Its totient is φ = 64608768.
The previous prime is 129604807. The next prime is 129604829. The reversal of 129604808 is 808406921.
It can be written as a sum of positive squares in 2 ways, for example, as 129458884 + 145924 = 11378^2 + 382^2 .
It is not an unprimeable number, because it can be changed into a prime (129604801) 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, 21341 + ... + 26732.
Almost surely, 2129604808 is an apocalyptic number.
It is an amenable number.
129604808 is a deficient number, since it is larger than the sum of its proper divisors (114130372).
129604808 is a wasteful number, since it uses less digits than its factorization.
129604808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48416 (or 48412 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 38.
The square root of 129604808 is about 11384.4107445225. The cubic root of 129604808 is about 506.0658571658.
The spelling of 129604808 in words is "one hundred twenty-nine million, six hundred four thousand, eight hundred eight".
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