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30266129 is a prime number
BaseRepresentation
bin111001101110…
…1001100010001
32002221200022202
41303131030101
530222004004
63000412545
7515154305
oct163351421
962850282
1030266129
11160a2433
12a177155
13636916a
14403bd05
1529ccb1e
hex1cdd311

30266129 has 2 divisors, whose sum is σ = 30266130. Its totient is φ = 30266128.

The previous prime is 30266099. The next prime is 30266143. The reversal of 30266129 is 92166203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 16129 = 5500^2 + 127^2 .

It is an emirp because it is prime and its reverse (92166203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30266129 - 216 = 30200593 is a prime.

It is not a weakly prime, because it can be changed into another prime (30266149) 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, 15133064 + 15133065.

It is an arithmetic number, because the mean of its divisors is an integer number (15133065).

Almost surely, 230266129 is an apocalyptic number.

It is an amenable number.

30266129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30266129 is an equidigital number, since it uses as much as digits as its factorization.

30266129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30266129 is about 5501.4660773288. The cubic root of 30266129 is about 311.6393522092.

The spelling of 30266129 in words is "thirty million, two hundred sixty-six thousand, one hundred twenty-nine".