Base | Representation |
---|---|
bin | 100100011100101… |
… | …1101111001101111 |
3 | 10011020100001212001 |
4 | 1020321131321233 |
5 | 10001043233424 |
6 | 321205353131 |
7 | 42210351223 |
oct | 11071357157 |
9 | 3136301761 |
10 | 1223024239 |
11 | 578402238 |
12 | 2a17087a7 |
13 | 1664c62a8 |
14 | b8604783 |
15 | 72587844 |
hex | 48e5de6f |
1223024239 has 2 divisors, whose sum is σ = 1223024240. Its totient is φ = 1223024238.
The previous prime is 1223024227. The next prime is 1223024267. The reversal of 1223024239 is 9324203221.
It is an a-pointer prime, because the next prime (1223024267) can be obtained adding 1223024239 to its sum of digits (28).
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1223024239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1223024639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611512119 + 611512120.
It is an arithmetic number, because the mean of its divisors is an integer number (611512120).
Almost surely, 21223024239 is an apocalyptic number.
1223024239 is a deficient number, since it is larger than the sum of its proper divisors (1).
1223024239 is an equidigital number, since it uses as much as digits as its factorization.
1223024239 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 1223024239 is about 34971.7634528200. The cubic root of 1223024239 is about 1069.4119221683.
The spelling of 1223024239 in words is "one billion, two hundred twenty-three million, twenty-four thousand, two hundred thirty-nine".
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