Base | Representation |
---|---|
bin | 101010011001001… |
… | …1110111110010101 |
3 | 10200010201111212211 |
4 | 1110302132332111 |
5 | 10403131121323 |
6 | 353053313421 |
7 | 50152136152 |
oct | 12462367625 |
9 | 3603644784 |
10 | 1422520213 |
11 | 66aa80544 |
12 | 338495871 |
13 | 19893504a |
14 | d6cd5229 |
15 | 84d4270d |
hex | 54c9ef95 |
1422520213 has 2 divisors, whose sum is σ = 1422520214. Its totient is φ = 1422520212.
The previous prime is 1422520193. The next prime is 1422520217. The reversal of 1422520213 is 3120252241.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1421516209 + 1004004 = 37703^2 + 1002^2 .
It is a cyclic number.
It is not a de Polignac number, because 1422520213 - 221 = 1420423061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1422520217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711260106 + 711260107.
It is an arithmetic number, because the mean of its divisors is an integer number (711260107).
Almost surely, 21422520213 is an apocalyptic number.
It is an amenable number.
1422520213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1422520213 is an equidigital number, since it uses as much as digits as its factorization.
1422520213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1422520213 is about 37716.3122932240. The cubic root of 1422520213 is about 1124.6554238204.
Adding to 1422520213 its reverse (3120252241), we get a palindrome (4542772454).
The spelling of 1422520213 in words is "one billion, four hundred twenty-two million, five hundred twenty thousand, two hundred thirteen".
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