Base | Representation |
---|---|
bin | 10000101000010101… |
… | …10111101011001001 |
3 | 212001020020002001101 |
4 | 20110022313223021 |
5 | 121241123002033 |
6 | 4033541021401 |
7 | 434152352635 |
oct | 102412675311 |
9 | 25036202041 |
10 | 8928328393 |
11 | 38718992a6 |
12 | 18920b4861 |
13 | ac397796a |
14 | 609ab9dc5 |
15 | 373c7097d |
hex | 2142b7ac9 |
8928328393 has 4 divisors (see below), whose sum is σ = 9316516608. Its totient is φ = 8540140180.
The previous prime is 8928328373. The next prime is 8928328427. The reversal of 8928328393 is 3938238298.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3938238298 = 2 ⋅1969119149.
It is a cyclic number.
It is not a de Polignac number, because 8928328393 - 225 = 8894773961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8928328303) 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, 194094073 + ... + 194094118.
It is an arithmetic number, because the mean of its divisors is an integer number (2329129152).
Almost surely, 28928328393 is an apocalyptic number.
It is an amenable number.
8928328393 is a deficient number, since it is larger than the sum of its proper divisors (388188215).
8928328393 is a wasteful number, since it uses less digits than its factorization.
8928328393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388188214.
The product of its digits is 4478976, while the sum is 55.
The square root of 8928328393 is about 94489.8322201918. The cubic root of 8928328393 is about 2074.5475100240.
The spelling of 8928328393 in words is "eight billion, nine hundred twenty-eight million, three hundred twenty-eight thousand, three hundred ninety-three".
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