Base | Representation |
---|---|
bin | 11001100010100… |
… | …01111100011101 |
3 | 112221010210002112 |
4 | 30301101330131 |
5 | 414321321044 |
6 | 33132003405 |
7 | 5211024266 |
oct | 1461217435 |
9 | 487123075 |
10 | 214245149 |
11 | aaa32608 |
12 | 5b900565 |
13 | 355041a1 |
14 | 2064d96d |
15 | 13c2009e |
hex | cc51f1d |
214245149 has 2 divisors, whose sum is σ = 214245150. Its totient is φ = 214245148.
The previous prime is 214245113. The next prime is 214245173. The reversal of 214245149 is 941542412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 125037124 + 89208025 = 11182^2 + 9445^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-214245149 is a prime.
It is a Chen prime.
It is equal to p11822792 and since 214245149 and 11822792 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (214245179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107122574 + 107122575.
It is an arithmetic number, because the mean of its divisors is an integer number (107122575).
Almost surely, 2214245149 is an apocalyptic number.
It is an amenable number.
214245149 is a deficient number, since it is larger than the sum of its proper divisors (1).
214245149 is an equidigital number, since it uses as much as digits as its factorization.
214245149 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 11520, while the sum is 32.
The square root of 214245149 is about 14637.1154603631. The cubic root of 214245149 is about 598.3707176996.
The spelling of 214245149 in words is "two hundred fourteen million, two hundred forty-five thousand, one hundred forty-nine".
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