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29203429 = 199314653
BaseRepresentation
bin110111101100…
…1101111100101
32000221200120111
41233121233211
524434002204
62521533021
7503140123
oct157315745
960850514
1029203429
1115536a72
129944171
136086548
143c42913
15286cd04
hex1bd9be5

29203429 has 4 divisors (see below), whose sum is σ = 29220076. Its totient is φ = 29186784.

The previous prime is 29203417. The next prime is 29203441. The reversal of 29203429 is 92430292.

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

It is an interprime number because it is at equal distance from previous prime (29203417) and next prime (29203441).

It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 6640929 = 4750^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 29203429 - 217 = 29072357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29203429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29203129) 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 3 ways as a sum of consecutive naturals, for example, 5334 + ... + 9319.

It is an arithmetic number, because the mean of its divisors is an integer number (7305019).

Almost surely, 229203429 is an apocalyptic number.

It is an amenable number.

29203429 is a deficient number, since it is larger than the sum of its proper divisors (16647).

29203429 is a wasteful number, since it uses less digits than its factorization.

29203429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16646.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 29203429 is about 5404.0197075880. The cubic root of 29203429 is about 307.9483981973.

The spelling of 29203429 in words is "twenty-nine million, two hundred three thousand, four hundred twenty-nine".

Divisors: 1 1993 14653 29203429