Base | Representation |
---|---|
bin | 1010010010010… |
… | …0001110111001 |
3 | 10000011201222201 |
4 | 2210210032321 |
5 | 42020440100 |
6 | 4140350201 |
7 | 1032453445 |
oct | 244441671 |
9 | 100151881 |
10 | 43140025 |
11 | 22395815 |
12 | 12545361 |
13 | 8c25b56 |
14 | 5a2d825 |
15 | 3bc236a |
hex | 29243b9 |
43140025 has 12 divisors (see below), whose sum is σ = 53623552. Its totient is φ = 34428240.
The previous prime is 43140011. The next prime is 43140037. The reversal of 43140025 is 52004134.
It is not a de Polignac number, because 43140025 - 219 = 42615737 is a prime.
It is a super-2 number, since 2×431400252 = 3722123514001250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 43139984 and 43140011.
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, 9712 + ... + 13438.
Almost surely, 243140025 is an apocalyptic number.
It is an amenable number.
43140025 is a deficient number, since it is larger than the sum of its proper divisors (10483527).
43140025 is a wasteful number, since it uses less digits than its factorization.
43140025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4200 (or 4195 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 43140025 is about 6568.1066526055. The cubic root of 43140025 is about 350.7196756397.
Adding to 43140025 its reverse (52004134), we get a palindrome (95144159).
The spelling of 43140025 in words is "forty-three million, one hundred forty thousand, twenty-five".
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