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29087417 is a prime number
BaseRepresentation
bin110111011110…
…1011010111001
32000201210102202
41232331122321
524421244132
62515235545
7502144652
oct156753271
960653382
1029087417
1115467897
1298a8bb5
1360457b8
143c12529
152848762
hex1bbd6b9

29087417 has 2 divisors, whose sum is σ = 29087418. Its totient is φ = 29087416.

The previous prime is 29087389. The next prime is 29087419. The reversal of 29087417 is 71478092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28079401 + 1008016 = 5299^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 29087417 - 26 = 29087353 is a prime.

Together with 29087419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29087419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14543708 + 14543709.

It is an arithmetic number, because the mean of its divisors is an integer number (14543709).

Almost surely, 229087417 is an apocalyptic number.

It is an amenable number.

29087417 is a deficient number, since it is larger than the sum of its proper divisors (1).

29087417 is an equidigital number, since it uses as much as digits as its factorization.

29087417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 29087417 is about 5393.2751644988. The cubic root of 29087417 is about 307.5400771789.

The spelling of 29087417 in words is "twenty-nine million, eighty-seven thousand, four hundred seventeen".