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29709349 is a prime number
BaseRepresentation
bin111000101010…
…1010000100101
32001220101120021
41301111100211
530101144344
62540435141
7510345115
oct161252045
961811507
1029709349
111585208a
129b48ab1
1362028c7
143d35045
15291cb84
hex1c55425

29709349 has 2 divisors, whose sum is σ = 29709350. Its totient is φ = 29709348.

The previous prime is 29709347. The next prime is 29709371. The reversal of 29709349 is 94390792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 4809249 = 4990^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 29709349 - 21 = 29709347 is a prime.

Together with 29709347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29709343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14854674 + 14854675.

It is an arithmetic number, because the mean of its divisors is an integer number (14854675).

Almost surely, 229709349 is an apocalyptic number.

It is an amenable number.

29709349 is a deficient number, since it is larger than the sum of its proper divisors (1).

29709349 is an equidigital number, since it uses as much as digits as its factorization.

29709349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 29709349 is about 5450.6283124058. The cubic root of 29709349 is about 309.7165254596.

The spelling of 29709349 in words is "twenty-nine million, seven hundred nine thousand, three hundred forty-nine".