Base | Representation |
---|---|
bin | 100000100001100… |
… | …101110111110101 |
3 | 1102000210020211110 |
4 | 200201211313311 |
5 | 2104143124124 |
6 | 130051425233 |
7 | 16344114300 |
oct | 4041456765 |
9 | 1360706743 |
10 | 545676789 |
11 | 260025059 |
12 | 1328b5219 |
13 | 89088798 |
14 | 52685b37 |
15 | 32d8c029 |
hex | 20865df5 |
545676789 has 48 divisors (see below), whose sum is σ = 921758400. Its totient is φ = 285175296.
The previous prime is 545676707. The next prime is 545676793. The reversal of 545676789 is 987676545.
545676789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
545676789 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is not a de Polignac number, because 545676789 - 29 = 545676277 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545626789) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77629 + ... + 84365.
It is an arithmetic number, because the mean of its divisors is an integer number (19203300).
Almost surely, 2545676789 is an apocalyptic number.
It is an amenable number.
545676789 is a deficient number, since it is larger than the sum of its proper divisors (376081611).
545676789 is a wasteful number, since it uses less digits than its factorization.
545676789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6802 (or 6795 counting only the distinct ones).
The product of its digits is 12700800, while the sum is 57.
The square root of 545676789 is about 23359.7257903427. The cubic root of 545676789 is about 817.1688947081.
The spelling of 545676789 in words is "five hundred forty-five million, six hundred seventy-six thousand, seven hundred eighty-nine".
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