Base | Representation |
---|---|
bin | 100110111111011… |
… | …1100001110010110 |
3 | 10101011212211021001 |
4 | 1031332330032112 |
5 | 10134414021423 |
6 | 333454213514 |
7 | 44264515414 |
oct | 11576741626 |
9 | 3334784231 |
10 | 1308345238 |
11 | 611588162 |
12 | 3061b429a |
13 | 17b09a5a5 |
14 | c5a942b4 |
15 | 79cdccad |
hex | 4dfbc396 |
1308345238 has 16 divisors (see below), whose sum is σ = 1978718976. Its totient is φ = 648786600.
The previous prime is 1308345229. The next prime is 1308345289. The reversal of 1308345238 is 8325438031.
It is a junction number, because it is equal to n+sod(n) for n = 1308345197 and 1308345206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203095 + ... + 209437.
It is an arithmetic number, because the mean of its divisors is an integer number (123669936).
Almost surely, 21308345238 is an apocalyptic number.
1308345238 is a deficient number, since it is larger than the sum of its proper divisors (670373738).
1308345238 is a wasteful number, since it uses less digits than its factorization.
1308345238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7179.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 1308345238 is about 36171.0552514023. The cubic root of 1308345238 is about 1093.7232711052.
The spelling of 1308345238 in words is "one billion, three hundred eight million, three hundred forty-five thousand, two hundred thirty-eight".
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