Base | Representation |
---|---|
bin | 111000011010100… |
… | …1110010011001001 |
3 | 11212221000101100200 |
4 | 1300311032103021 |
5 | 12334102003033 |
6 | 511501322413 |
7 | 64624144404 |
oct | 16065162311 |
9 | 4787011320 |
10 | 1893000393 |
11 | 891605239 |
12 | 449b66409 |
13 | 24225289b |
14 | 13d5a4d3b |
15 | b12c9013 |
hex | 70d4e4c9 |
1893000393 has 12 divisors (see below), whose sum is σ = 2746598400. Its totient is φ = 1256339736.
The previous prime is 1893000323. The next prime is 1893000397. The reversal of 1893000393 is 3930003981.
It is not a de Polignac number, because 1893000393 - 213 = 1892992201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1893000397) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469593 + ... + 473606.
It is an arithmetic number, because the mean of its divisors is an integer number (228883200).
Almost surely, 21893000393 is an apocalyptic number.
It is an amenable number.
1893000393 is a deficient number, since it is larger than the sum of its proper divisors (853598007).
1893000393 is a wasteful number, since it uses less digits than its factorization.
1893000393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943428 (or 943425 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 1893000393 is about 43508.6243519604. The cubic root of 1893000393 is about 1237.0395020004.
The spelling of 1893000393 in words is "one billion, eight hundred ninety-three million, three hundred ninety-three", and thus it is an aban number.
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