Base | Representation |
---|---|
bin | 101011111010… |
… | …1000001100101 |
3 | 1121022201121021 |
4 | 1113311001211 |
5 | 21343224332 |
6 | 2141251141 |
7 | 366461353 |
oct | 127650145 |
9 | 47281537 |
10 | 23023717 |
11 | 11aa6072 |
12 | 7863ab1 |
13 | 4a01802 |
14 | 30b47d3 |
15 | 204bc97 |
hex | 15f5065 |
23023717 has 2 divisors, whose sum is σ = 23023718. Its totient is φ = 23023716.
The previous prime is 23023711. The next prime is 23023727. The reversal of 23023717 is 71732032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21771556 + 1252161 = 4666^2 + 1119^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23023717 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23023691 and 23023700.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23023711) 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 as a sum of consecutive naturals, namely, 11511858 + 11511859.
It is an arithmetic number, because the mean of its divisors is an integer number (11511859).
Almost surely, 223023717 is an apocalyptic number.
It is an amenable number.
23023717 is a deficient number, since it is larger than the sum of its proper divisors (1).
23023717 is an equidigital number, since it uses as much as digits as its factorization.
23023717 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1764, while the sum is 25.
The square root of 23023717 is about 4798.3035543825. The cubic root of 23023717 is about 284.4844151198.
Adding to 23023717 its reverse (71732032), we get a palindrome (94755749).
The spelling of 23023717 in words is "twenty-three million, twenty-three thousand, seven hundred seventeen".
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