Base | Representation |
---|---|
bin | 10010101010000010100101 |
3 | 100012110220100 |
4 | 102222002211 |
5 | 2223001124 |
6 | 252454313 |
7 | 56366601 |
oct | 22520245 |
9 | 10173810 |
10 | 4890789 |
11 | 2840582 |
12 | 177a399 |
13 | 1023177 |
14 | 914501 |
15 | 6691c9 |
hex | 4aa0a5 |
4890789 has 12 divisors (see below), whose sum is σ = 7371936. Its totient is φ = 3118632.
The previous prime is 4890779. The next prime is 4890791. The reversal of 4890789 is 9870984.
It is not a de Polignac number, because 4890789 - 27 = 4890661 is a prime.
4890789 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4890709) 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, 11607 + ... + 12020.
It is an arithmetic number, because the mean of its divisors is an integer number (614328).
Almost surely, 24890789 is an apocalyptic number.
It is an amenable number.
4890789 is a deficient number, since it is larger than the sum of its proper divisors (2481147).
4890789 is a wasteful number, since it uses less digits than its factorization.
4890789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23656 (or 23653 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 4890789 is about 2211.5128306207. The cubic root of 4890789 is about 169.7434307349.
The spelling of 4890789 in words is "four million, eight hundred ninety thousand, seven hundred eighty-nine".
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