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29329889 is a prime number
BaseRepresentation
bin110111111100…
…0100111100001
32001012010001012
41233320213201
530002024024
62524350305
7504204611
oct157704741
961163035
1029329889
1115612a86
1299a5395
1360cbc84
143c76a41
15289550e
hex1bf89e1

29329889 has 2 divisors, whose sum is σ = 29329890. Its totient is φ = 29329888.

The previous prime is 29329847. The next prime is 29329891. The reversal of 29329889 is 98892392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 3268864 = 5105^2 + 1808^2 .

It is a cyclic number.

It is not a de Polignac number, because 29329889 - 216 = 29264353 is a prime.

Together with 29329891, 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 (29329819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14664944 + 14664945.

It is an arithmetic number, because the mean of its divisors is an integer number (14664945).

Almost surely, 229329889 is an apocalyptic number.

It is an amenable number.

29329889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29329889 is an equidigital number, since it uses as much as digits as its factorization.

29329889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 29329889 is about 5415.7076176618. The cubic root of 29329889 is about 308.3922624807.

It can be divided in two parts, 2932 and 9889, that added together give a palindrome (12821).

The spelling of 29329889 in words is "twenty-nine million, three hundred twenty-nine thousand, eight hundred eighty-nine".