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29227429 = 71133137
BaseRepresentation
bin110111101111…
…1100110100101
32000222220111101
41233133212211
524440234204
62522240101
7503300110
oct157374645
960886441
1029227429
1115553000
129956031
13609444a
143c4b577
152874ea4
hex1bdf9a5

29227429 has 16 divisors (see below), whose sum is σ = 36752256. Its totient is φ = 22767360.

The previous prime is 29227427. The next prime is 29227439. The reversal of 29227429 is 92472292.

It is not a de Polignac number, because 29227429 - 21 = 29227427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29227421) 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 in 15 ways as a sum of consecutive naturals, for example, 7749 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (2297016).

Almost surely, 229227429 is an apocalyptic number.

It is an amenable number.

29227429 is a deficient number, since it is larger than the sum of its proper divisors (7524827).

29227429 is an equidigital number, since it uses as much as digits as its factorization.

29227429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3155 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 29227429 is about 5406.2398207997. The cubic root of 29227429 is about 308.0327346160.

The spelling of 29227429 in words is "twenty-nine million, two hundred twenty-seven thousand, four hundred twenty-nine".

Divisors: 1 7 11 77 121 847 1331 3137 9317 21959 34507 241549 379577 2657039 4175347 29227429