Base | Representation |
---|---|
bin | 101100001001… |
… | …0001111111001 |
3 | 1121112210210121 |
4 | 1120102033321 |
5 | 21411042132 |
6 | 2144013241 |
7 | 400500343 |
oct | 130221771 |
9 | 47483717 |
10 | 23143417 |
11 | 12077aa0 |
12 | 7901221 |
13 | 4a4413b |
14 | 3106293 |
15 | 2072497 |
hex | 16123f9 |
23143417 has 16 divisors (see below), whose sum is σ = 26123328. Its totient is φ = 20321280.
The previous prime is 23143397. The next prime is 23143423. The reversal of 23143417 is 71434132.
It is a cyclic number.
It is not a de Polignac number, because 23143417 - 215 = 23110649 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23143391 and 23143400.
It is not an unprimeable number, because it can be changed into a prime (23143487) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 53233 + ... + 53665.
It is an arithmetic number, because the mean of its divisors is an integer number (1632708).
Almost surely, 223143417 is an apocalyptic number.
It is an amenable number.
23143417 is a deficient number, since it is larger than the sum of its proper divisors (2979911).
23143417 is a wasteful number, since it uses less digits than its factorization.
23143417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 600.
The product of its digits is 2016, while the sum is 25.
The square root of 23143417 is about 4810.7605427832. The cubic root of 23143417 is about 284.9765734309.
Adding to 23143417 its reverse (71434132), we get a palindrome (94577549).
The spelling of 23143417 in words is "twenty-three million, one hundred forty-three thousand, four hundred seventeen".
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