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29140745 = 55828149
BaseRepresentation
bin110111100101…
…0011100001001
32000211111120212
41233022130021
524430000440
62520330505
7502456304
oct157123411
960744525
1029140745
11154a3967
129913a35
136063b5a
143c27b3b
152859465
hex1bca709

29140745 has 4 divisors (see below), whose sum is σ = 34968900. Its totient is φ = 23312592.

The previous prime is 29140733. The next prime is 29140753. The reversal of 29140745 is 54704192.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 19971961 = 3028^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 29140745 - 216 = 29075209 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2914070 + ... + 2914079.

It is an arithmetic number, because the mean of its divisors is an integer number (8742225).

Almost surely, 229140745 is an apocalyptic number.

It is an amenable number.

29140745 is a deficient number, since it is larger than the sum of its proper divisors (5828155).

29140745 is an equidigital number, since it uses as much as digits as its factorization.

29140745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828154.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 29140745 is about 5398.2168352151. The cubic root of 29140745 is about 307.7279073634.

The spelling of 29140745 in words is "twenty-nine million, one hundred forty thousand, seven hundred forty-five".

Divisors: 1 5 5828149 29140745