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29505997 is a prime number
BaseRepresentation
bin111000010001…
…1100111001101
32001112001121201
41300203213031
530023142442
62532225501
7505540213
oct160434715
961461551
1029505997
1115723324
129a6b291
136161191
143cc0cb3
1528cc7b7
hex1c239cd

29505997 has 2 divisors, whose sum is σ = 29505998. Its totient is φ = 29505996.

The previous prime is 29505991. The next prime is 29506003. The reversal of 29505997 is 79950592.

It is a balanced prime because it is at equal distance from previous prime (29505991) and next prime (29506003).

It can be written as a sum of positive squares in only one way, i.e., 27237961 + 2268036 = 5219^2 + 1506^2 .

It is a cyclic number.

It is not a de Polignac number, because 29505997 - 211 = 29503949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29505991) 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, 14752998 + 14752999.

It is an arithmetic number, because the mean of its divisors is an integer number (14752999).

Almost surely, 229505997 is an apocalyptic number.

It is an amenable number.

29505997 is a deficient number, since it is larger than the sum of its proper divisors (1).

29505997 is an equidigital number, since it uses as much as digits as its factorization.

29505997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 29505997 is about 5431.9422861441. The cubic root of 29505997 is about 309.0082666941.

The spelling of 29505997 in words is "twenty-nine million, five hundred five thousand, nine hundred ninety-seven".