Base | Representation |
---|---|
bin | 101100010011… |
… | …1100100011011 |
3 | 1121201020121001 |
4 | 1120213210123 |
5 | 21421340442 |
6 | 2145525431 |
7 | 401313061 |
oct | 130474433 |
9 | 47636531 |
10 | 23230747 |
11 | 12127671 |
12 | 7943877 |
13 | 4a74b07 |
14 | 312a031 |
15 | 208d2b7 |
hex | 162791b |
23230747 has 2 divisors, whose sum is σ = 23230748. Its totient is φ = 23230746.
The previous prime is 23230693. The next prime is 23230763. The reversal of 23230747 is 74703232.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23230747 - 219 = 22706459 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not a weakly prime, because it can be changed into another prime (23230147) 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, 11615373 + 11615374.
It is an arithmetic number, because the mean of its divisors is an integer number (11615374).
Almost surely, 223230747 is an apocalyptic number.
23230747 is a deficient number, since it is larger than the sum of its proper divisors (1).
23230747 is an equidigital number, since it uses as much as digits as its factorization.
23230747 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7056, while the sum is 28.
The square root of 23230747 is about 4819.8285239207. The cubic root of 23230747 is about 285.3345696380.
Adding to 23230747 its reverse (74703232), we get a palindrome (97933979).
The spelling of 23230747 in words is "twenty-three million, two hundred thirty thousand, seven hundred forty-seven".
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