Base | Representation |
---|---|
bin | 1010010011011… |
… | …1110010011101 |
3 | 10000022210212101 |
4 | 2210313302131 |
5 | 42031021000 |
6 | 4142205101 |
7 | 1033236124 |
oct | 244676235 |
9 | 100283771 |
10 | 43220125 |
11 | 2243aa13 |
12 | 12583791 |
13 | 8c53450 |
14 | 5a50abb |
15 | 3bdae6a |
hex | 2937c9d |
43220125 has 16 divisors (see below), whose sum is σ = 58090032. Its totient is φ = 31915200.
The previous prime is 43220123. The next prime is 43220129. The reversal of 43220125 is 52102234.
It can be written as a sum of positive squares in 8 ways, for example, as 12517444 + 30702681 = 3538^2 + 5541^2 .
It is not a de Polignac number, because 43220125 - 21 = 43220123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43220123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11674 + ... + 14923.
It is an arithmetic number, because the mean of its divisors is an integer number (3630627).
Almost surely, 243220125 is an apocalyptic number.
It is an amenable number.
43220125 is a deficient number, since it is larger than the sum of its proper divisors (14869907).
43220125 is a wasteful number, since it uses less digits than its factorization.
43220125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26625 (or 26615 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 43220125 is about 6574.2014724223. The cubic root of 43220125 is about 350.9366070313.
Adding to 43220125 its reverse (52102234), we get a palindrome (95322359).
The spelling of 43220125 in words is "forty-three million, two hundred twenty thousand, one hundred twenty-five".
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