Base | Representation |
---|---|
bin | 11001101000101… |
… | …10100001101101 |
3 | 112222122200121202 |
4 | 30310112201231 |
5 | 420023102344 |
6 | 33201135245 |
7 | 5220616643 |
oct | 1464264155 |
9 | 488580552 |
10 | 215050349 |
11 | 100432568 |
12 | 6002a525 |
13 | 35726837 |
14 | 207bd193 |
15 | 13d2d94e |
hex | cd1686d |
215050349 has 2 divisors, whose sum is σ = 215050350. Its totient is φ = 215050348.
The previous prime is 215050337. The next prime is 215050361. The reversal of 215050349 is 943050512.
215050349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a balanced prime because it is at equal distance from previous prime (215050337) and next prime (215050361).
It can be written as a sum of positive squares in only one way, i.e., 159845449 + 55204900 = 12643^2 + 7430^2 .
It is a cyclic number.
It is not a de Polignac number, because 215050349 - 212 = 215046253 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 (215010349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107525174 + 107525175.
It is an arithmetic number, because the mean of its divisors is an integer number (107525175).
Almost surely, 2215050349 is an apocalyptic number.
It is an amenable number.
215050349 is a deficient number, since it is larger than the sum of its proper divisors (1).
215050349 is an equidigital number, since it uses as much as digits as its factorization.
215050349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 215050349 is about 14664.5950847611. The cubic root of 215050349 is about 599.1194017286.
The spelling of 215050349 in words is "two hundred fifteen million, fifty thousand, three hundred forty-nine".
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