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29286109 is a prime number
BaseRepresentation
bin110111110110…
…1111011011101
32001002212222201
41233231323131
524444123414
62523411501
7503633146
oct157557335
961085881
1029286109
11155930a6
129983b91
1360b5078
143c64acd
152887574
hex1bededd

29286109 has 2 divisors, whose sum is σ = 29286110. Its totient is φ = 29286108.

The previous prime is 29286071. The next prime is 29286113. The reversal of 29286109 is 90168292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20748025 + 8538084 = 4555^2 + 2922^2 .

It is a cyclic number.

It is not a de Polignac number, because 29286109 - 221 = 27188957 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 (29286119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14643054 + 14643055.

It is an arithmetic number, because the mean of its divisors is an integer number (14643055).

Almost surely, 229286109 is an apocalyptic number.

It is an amenable number.

29286109 is a deficient number, since it is larger than the sum of its proper divisors (1).

29286109 is an equidigital number, since it uses as much as digits as its factorization.

29286109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 29286109 is about 5411.6641617898. The cubic root of 29286109 is about 308.2387429024.

The spelling of 29286109 in words is "twenty-nine million, two hundred eighty-six thousand, one hundred nine".