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29147029 is a prime number
BaseRepresentation
bin110111100101…
…1111110010101
32000211211012121
41233023332111
524430201104
62520415541
7502513522
oct157137625
960754177
1029147029
11154a865a
1299175b1
136066982
143c2a149
15285b254
hex1bcbf95

29147029 has 2 divisors, whose sum is σ = 29147030. Its totient is φ = 29147028.

The previous prime is 29147021. The next prime is 29147033. The reversal of 29147029 is 92074192.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28143025 + 1004004 = 5305^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 29147029 - 23 = 29147021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29146985 and 29147003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29147021) 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, 14573514 + 14573515.

It is an arithmetic number, because the mean of its divisors is an integer number (14573515).

Almost surely, 229147029 is an apocalyptic number.

It is an amenable number.

29147029 is a deficient number, since it is larger than the sum of its proper divisors (1).

29147029 is an equidigital number, since it uses as much as digits as its factorization.

29147029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 29147029 is about 5398.7988478920. The cubic root of 29147029 is about 307.7500255715.

The spelling of 29147029 in words is "twenty-nine million, one hundred forty-seven thousand, twenty-nine".