Base | Representation |
---|---|
bin | 10111101010100… |
… | …011110111101101 |
3 | 1000200002100210202 |
4 | 113222203313231 |
5 | 1303120023231 |
6 | 103221443245 |
7 | 12560503304 |
oct | 2752436755 |
9 | 1020070722 |
10 | 397032941 |
11 | 1941297a8 |
12 | b0b70525 |
13 | 64342c46 |
14 | 3aa3143b |
15 | 24cc95cb |
hex | 17aa3ded |
397032941 has 2 divisors, whose sum is σ = 397032942. Its totient is φ = 397032940.
The previous prime is 397032913. The next prime is 397032959. The reversal of 397032941 is 149230793.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 361380100 + 35652841 = 19010^2 + 5971^2 .
It is an emirp because it is prime and its reverse (149230793) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 397032941 - 210 = 397031917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 397032895 and 397032904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (397034941) 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, 198516470 + 198516471.
It is an arithmetic number, because the mean of its divisors is an integer number (198516471).
Almost surely, 2397032941 is an apocalyptic number.
It is an amenable number.
397032941 is a deficient number, since it is larger than the sum of its proper divisors (1).
397032941 is an equidigital number, since it uses as much as digits as its factorization.
397032941 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40824, while the sum is 38.
The square root of 397032941 is about 19925.6854587239. The cubic root of 397032941 is about 734.9799868060.
The spelling of 397032941 in words is "three hundred ninety-seven million, thirty-two thousand, nine hundred forty-one".
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