Base | Representation |
---|---|
bin | 101100010000… |
… | …1011001000001 |
3 | 1121122221212210 |
4 | 1120201121001 |
5 | 21420033231 |
6 | 2145212333 |
7 | 401146230 |
oct | 130413101 |
9 | 47587783 |
10 | 23205441 |
11 | 1210a656 |
12 | 79310a9 |
13 | 4a6643c |
14 | 3120b17 |
15 | 2085a46 |
hex | 1621641 |
23205441 has 24 divisors (see below), whose sum is σ = 37331904. Its totient is φ = 12558240.
The previous prime is 23205439. The next prime is 23205443. The reversal of 23205441 is 14450232.
It is an interprime number because it is at equal distance from previous prime (23205439) and next prime (23205443).
It is not a de Polignac number, because 23205441 - 21 = 23205439 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (23205443) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6051 + ... + 9111.
It is an arithmetic number, because the mean of its divisors is an integer number (1555496).
Almost surely, 223205441 is an apocalyptic number.
23205441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23205441 is a deficient number, since it is larger than the sum of its proper divisors (14126463).
23205441 is a wasteful number, since it uses less digits than its factorization.
23205441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3109 (or 3090 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 23205441 is about 4817.2026114748. The cubic root of 23205441 is about 285.2309239523.
Adding to 23205441 its reverse (14450232), we get a palindrome (37655673).
The spelling of 23205441 in words is "twenty-three million, two hundred five thousand, four hundred forty-one".
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