Base | Representation |
---|---|
bin | 101100101101… |
… | …1101010001001 |
3 | 1122010002021012 |
4 | 1121123222021 |
5 | 22000202410 |
6 | 2154253305 |
7 | 403162106 |
oct | 131335211 |
9 | 48102235 |
10 | 23444105 |
11 | 122629a3 |
12 | 7a27235 |
13 | 4b1ac69 |
14 | 3183aad |
15 | 20d1605 |
hex | 165ba89 |
23444105 has 8 divisors (see below), whose sum is σ = 29787912. Its totient is φ = 17651968.
The previous prime is 23444089. The next prime is 23444131. The reversal of 23444105 is 50144432.
It can be written as a sum of positive squares in 4 ways, for example, as 2768896 + 20675209 = 1664^2 + 4547^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23444105 - 24 = 23444089 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137822 + ... + 137991.
It is an arithmetic number, because the mean of its divisors is an integer number (3723489).
Almost surely, 223444105 is an apocalyptic number.
It is an amenable number.
23444105 is a deficient number, since it is larger than the sum of its proper divisors (6343807).
23444105 is a wasteful number, since it uses less digits than its factorization.
23444105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 275835.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 23444105 is about 4841.9112961722. The cubic root of 23444105 is about 286.2054410914.
Adding to 23444105 its sum of digits (23), we get a triangular number (23444128 = T6847).
Adding to 23444105 its reverse (50144432), we get a palindrome (73588537).
The spelling of 23444105 in words is "twenty-three million, four hundred forty-four thousand, one hundred five".
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