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29749829 is a prime number
BaseRepresentation
bin111000101111…
…1001001000101
32001222110002112
41301133021011
530103443304
62541350405
7510604124
oct161371105
961873075
1029749829
111587a53a
129b68405
136218165
143d45abb
152929b6e
hex1c5f245

29749829 has 2 divisors, whose sum is σ = 29749830. Its totient is φ = 29749828.

The previous prime is 29749823. The next prime is 29749831. The reversal of 29749829 is 92894792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 2553604 = 5215^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 29749829 - 224 = 12972613 is a prime.

Together with 29749831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29749823) 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, 14874914 + 14874915.

It is an arithmetic number, because the mean of its divisors is an integer number (14874915).

Almost surely, 229749829 is an apocalyptic number.

It is an amenable number.

29749829 is a deficient number, since it is larger than the sum of its proper divisors (1).

29749829 is an equidigital number, since it uses as much as digits as its factorization.

29749829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 29749829 is about 5454.3403817510. The cubic root of 29749829 is about 309.8571280589.

The spelling of 29749829 in words is "twenty-nine million, seven hundred forty-nine thousand, eight hundred twenty-nine".