Base | Representation |
---|---|
bin | 101011111011… |
… | …0100111011101 |
3 | 1121100001112202 |
4 | 1113312213131 |
5 | 21343431422 |
6 | 2141341245 |
7 | 366516356 |
oct | 127664735 |
9 | 47301482 |
10 | 23030237 |
11 | 11aaaa5a |
12 | 7867825 |
13 | 4a04779 |
14 | 30b6d2d |
15 | 204db92 |
hex | 15f69dd |
23030237 has 4 divisors (see below), whose sum is σ = 23420640. Its totient is φ = 22639836.
The previous prime is 23030213. The next prime is 23030239. The reversal of 23030237 is 73203032.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23030237 - 210 = 23029213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23030239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195113 + ... + 195230.
It is an arithmetic number, because the mean of its divisors is an integer number (5855160).
Almost surely, 223030237 is an apocalyptic number.
It is an amenable number.
23030237 is a deficient number, since it is larger than the sum of its proper divisors (390403).
23030237 is an equidigital number, since it uses as much as digits as its factorization.
23030237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390402.
The product of its (nonzero) digits is 756, while the sum is 20.
The square root of 23030237 is about 4798.9829130765. The cubic root of 23030237 is about 284.5112666099.
Adding to 23030237 its reverse (73203032), we get a palindrome (96233269).
The spelling of 23030237 in words is "twenty-three million, thirty thousand, two hundred thirty-seven".
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