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29042653 = 155318701
BaseRepresentation
bin110111011001…
…0011111011101
32000122112000211
41232302133131
524413331103
62514252421
7501600313
oct156623735
960575024
1029042653
11154371a2
129887111
13602b303
143c000b3
15283a36d
hex1bb27dd

29042653 has 4 divisors (see below), whose sum is σ = 29062908. Its totient is φ = 29022400.

The previous prime is 29042639. The next prime is 29042677. The reversal of 29042653 is 35624092.

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 3912484 + 25130169 = 1978^2 + 5013^2 .

It is a cyclic number.

It is not a de Polignac number, because 29042653 - 213 = 29034461 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29042603) 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, 7798 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (7265727).

Almost surely, 229042653 is an apocalyptic number.

It is an amenable number.

29042653 is a deficient number, since it is larger than the sum of its proper divisors (20255).

29042653 is a wasteful number, since it uses less digits than its factorization.

29042653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20254.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 29042653 is about 5389.1235836637. The cubic root of 29042653 is about 307.3822335295.

The spelling of 29042653 in words is "twenty-nine million, forty-two thousand, six hundred fifty-three".

Divisors: 1 1553 18701 29042653