Base | Representation |
---|---|
bin | 1010010010000… |
… | …0100111100111 |
3 | 10000010222200111 |
4 | 2210200213213 |
5 | 42020001343 |
6 | 4140153451 |
7 | 1032362341 |
oct | 244404747 |
9 | 100128614 |
10 | 43125223 |
11 | 22385689 |
12 | 12538887 |
13 | 8c1c1ab |
14 | 5a28291 |
15 | 3bbcc9d |
hex | 29209e7 |
43125223 has 4 divisors (see below), whose sum is σ = 43644888. Its totient is φ = 42605560.
The previous prime is 43125197. The next prime is 43125227. The reversal of 43125223 is 32252134.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32252134 = 2 ⋅16126067.
It is not a de Polignac number, because 43125223 - 25 = 43125191 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 43125194 and 43125203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43125227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259708 + ... + 259873.
It is an arithmetic number, because the mean of its divisors is an integer number (10911222).
Almost surely, 243125223 is an apocalyptic number.
43125223 is a deficient number, since it is larger than the sum of its proper divisors (519665).
43125223 is an equidigital number, since it uses as much as digits as its factorization.
43125223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519664.
The product of its digits is 1440, while the sum is 22.
The square root of 43125223 is about 6566.9797471897. The cubic root of 43125223 is about 350.6795586293.
Adding to 43125223 its reverse (32252134), we get a palindrome (75377357).
The spelling of 43125223 in words is "forty-three million, one hundred twenty-five thousand, two hundred twenty-three".
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