Base | Representation |
---|---|
bin | 100100011011010… |
… | …1001001001110101 |
3 | 10011011221110021211 |
4 | 1020312221021311 |
5 | 10000401041033 |
6 | 321141441421 |
7 | 42201145615 |
oct | 11066511165 |
9 | 3134843254 |
10 | 1222283893 |
11 | 577a46a86 |
12 | 2a1410271 |
13 | 1662c730c |
14 | b8490a45 |
15 | 7248d2cd |
hex | 48da9275 |
1222283893 has 2 divisors, whose sum is σ = 1222283894. Its totient is φ = 1222283892.
The previous prime is 1222283879. The next prime is 1222283897. The reversal of 1222283893 is 3983822221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1219266724 + 3017169 = 34918^2 + 1737^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222283893 - 217 = 1222152821 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222283897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611141946 + 611141947.
It is an arithmetic number, because the mean of its divisors is an integer number (611141947).
Almost surely, 21222283893 is an apocalyptic number.
It is an amenable number.
1222283893 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222283893 is an equidigital number, since it uses as much as digits as its factorization.
1222283893 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 82944, while the sum is 40.
The square root of 1222283893 is about 34961.1769395711. The cubic root of 1222283893 is about 1069.1960925268.
The spelling of 1222283893 in words is "one billion, two hundred twenty-two million, two hundred eighty-three thousand, eight hundred ninety-three".
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