Base | Representation |
---|---|
bin | 111000011011… |
… | …011000011101 |
3 | 1000211112010001 |
4 | 320123120131 |
5 | 12241322341 |
6 | 1245014301 |
7 | 236506003 |
oct | 70333035 |
9 | 30745101 |
10 | 14792221 |
11 | 8393684 |
12 | 4b54391 |
13 | 30abbc2 |
14 | 1d70a73 |
15 | 1472d31 |
hex | e1b61d |
14792221 has 2 divisors, whose sum is σ = 14792222. Its totient is φ = 14792220.
The previous prime is 14792207. The next prime is 14792231. The reversal of 14792221 is 12229741.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10169721 + 4622500 = 3189^2 + 2150^2 .
It is an emirp because it is prime and its reverse (12229741) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14792221 - 215 = 14759453 is a prime.
It is a super-2 number, since 2×147922212 = 437619604225682, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 14792221.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14792201) 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, 7396110 + 7396111.
It is an arithmetic number, because the mean of its divisors is an integer number (7396111).
Almost surely, 214792221 is an apocalyptic number.
It is an amenable number.
14792221 is a deficient number, since it is larger than the sum of its proper divisors (1).
14792221 is an equidigital number, since it uses as much as digits as its factorization.
14792221 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2016, while the sum is 28.
The square root of 14792221 is about 3846.0656520658. The cubic root of 14792221 is about 245.4771818962.
The spelling of 14792221 in words is "fourteen million, seven hundred ninety-two thousand, two hundred twenty-one".
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