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29269909 is a prime number
BaseRepresentation
bin110111110100…
…1111110010101
32001002001202201
41233221332111
524443114114
62523204501
7503535004
oct157517625
961061681
1029269909
1115581a09
129976731
1360aa896
143c5cc3b
152882874
hex1be9f95

29269909 has 2 divisors, whose sum is σ = 29269910. Its totient is φ = 29269908.

The previous prime is 29269907. The next prime is 29269927. The reversal of 29269909 is 90996292.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21996100 + 7273809 = 4690^2 + 2697^2 .

It is a cyclic number.

It is not a de Polignac number, because 29269909 - 21 = 29269907 is a prime.

Together with 29269907, 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 (29269907) 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, 14634954 + 14634955.

It is an arithmetic number, because the mean of its divisors is an integer number (14634955).

Almost surely, 229269909 is an apocalyptic number.

It is an amenable number.

29269909 is a deficient number, since it is larger than the sum of its proper divisors (1).

29269909 is an equidigital number, since it uses as much as digits as its factorization.

29269909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 29269909 is about 5410.1671878048. The cubic root of 29269909 is about 308.1818969685.

The spelling of 29269909 in words is "twenty-nine million, two hundred sixty-nine thousand, nine hundred nine".