Base | Representation |
---|---|
bin | 1010010000011… |
… | …0101100010100 |
3 | 2222221121000100 |
4 | 2210012230110 |
5 | 42003102103 |
6 | 4134014100 |
7 | 1031440623 |
oct | 244065424 |
9 | 88847010 |
10 | 43019028 |
11 | 22312918 |
12 | 124a7330 |
13 | 8bb2a60 |
14 | 59db6ba |
15 | 3b9b5a3 |
hex | 2906b14 |
43019028 has 36 divisors (see below), whose sum is σ = 117108628. Its totient is φ = 13236480.
The previous prime is 43019017. The next prime is 43019047. The reversal of 43019028 is 82091034.
It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 36144144 = 2622^2 + 6012^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 43018992 and 43019010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45493 + ... + 46428.
Almost surely, 243019028 is an apocalyptic number.
It is an amenable number.
43019028 is an abundant number, since it is smaller than the sum of its proper divisors (74089600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43019028 is a wasteful number, since it uses less digits than its factorization.
43019028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91944 (or 91939 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 43019028 is about 6558.8892352288. The cubic root of 43019028 is about 350.3914748974.
The spelling of 43019028 in words is "forty-three million, nineteen thousand, twenty-eight".
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