Base | Representation |
---|---|
bin | 100101100101… |
… | …0110001101101 |
3 | 1101002010002122 |
4 | 1023022301231 |
5 | 20021024231 |
6 | 1542202325 |
7 | 326326544 |
oct | 113126155 |
9 | 41063078 |
10 | 19704941 |
11 | 10139683 |
12 | 67233a5 |
13 | 410c039 |
14 | 288d15b |
15 | 1ae377b |
hex | 12cac6d |
19704941 has 2 divisors, whose sum is σ = 19704942. Its totient is φ = 19704940.
The previous prime is 19704931. The next prime is 19704953. The reversal of 19704941 is 14940791.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 17255716 + 2449225 = 4154^2 + 1565^2 .
It is a cyclic number.
It is not a de Polignac number, because 19704941 - 210 = 19703917 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19704931) 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, 9852470 + 9852471.
It is an arithmetic number, because the mean of its divisors is an integer number (9852471).
Almost surely, 219704941 is an apocalyptic number.
It is an amenable number.
19704941 is a deficient number, since it is larger than the sum of its proper divisors (1).
19704941 is an equidigital number, since it uses as much as digits as its factorization.
19704941 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 35.
The square root of 19704941 is about 4439.0247802868. The cubic root of 19704941 is about 270.1002873908.
The spelling of 19704941 in words is "nineteen million, seven hundred four thousand, nine hundred forty-one".
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