Base | Representation |
---|---|
bin | 101100010011… |
… | …0101111000011 |
3 | 1121201001220112 |
4 | 1120212233003 |
5 | 21421233311 |
6 | 2145501535 |
7 | 401300111 |
oct | 130465703 |
9 | 47631815 |
10 | 23227331 |
11 | 12125046 |
12 | 79418ab |
13 | 4a733aa |
14 | 3128ab1 |
15 | 208c28b |
hex | 1626bc3 |
23227331 has 2 divisors, whose sum is σ = 23227332. Its totient is φ = 23227330.
The previous prime is 23227327. The next prime is 23227349. The reversal of 23227331 is 13372232.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23227331 - 22 = 23227327 is a prime.
It is a super-2 number, since 2×232273312 = 1079017810767122, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 23227297 and 23227306.
It is not a weakly prime, because it can be changed into another prime (23227381) 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, 11613665 + 11613666.
It is an arithmetic number, because the mean of its divisors is an integer number (11613666).
Almost surely, 223227331 is an apocalyptic number.
23227331 is a deficient number, since it is larger than the sum of its proper divisors (1).
23227331 is an equidigital number, since it uses as much as digits as its factorization.
23227331 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1512, while the sum is 23.
The square root of 23227331 is about 4819.4741414391. The cubic root of 23227331 is about 285.3205831360.
Adding to 23227331 its reverse (13372232), we get a palindrome (36599563).
The spelling of 23227331 in words is "twenty-three million, two hundred twenty-seven thousand, three hundred thirty-one".
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