Base | Representation |
---|---|
bin | 1000001111001001100111 |
3 | 11001200212122 |
4 | 20033021213 |
5 | 1023043312 |
6 | 114140155 |
7 | 24232031 |
oct | 10171147 |
9 | 4050778 |
10 | 2159207 |
11 | 1245276 |
12 | 88165b |
13 | 5a7a4b |
14 | 402c51 |
15 | 2c9b72 |
hex | 20f267 |
2159207 has 2 divisors, whose sum is σ = 2159208. Its totient is φ = 2159206.
The previous prime is 2159197. The next prime is 2159231. The reversal of 2159207 is 7029512.
2159207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2159207 - 24 = 2159191 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2159237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079603 + 1079604.
It is an arithmetic number, because the mean of its divisors is an integer number (1079604).
22159207 is an apocalyptic number.
2159207 is a deficient number, since it is larger than the sum of its proper divisors (1).
2159207 is an equidigital number, since it uses as much as digits as its factorization.
2159207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 2159207 is about 1469.4240368253. The cubic root of 2159207 is about 129.2502603294.
The spelling of 2159207 in words is "two million, one hundred fifty-nine thousand, two hundred seven".
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