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29289039 = 313751001
BaseRepresentation
bin110111110111…
…0101001001111
32001010001000020
41233232221033
524444222124
62523433223
7503644533
oct157565117
961101006
1029289039
111559531a
129985813
1360b64c0
143c65bc3
152888379
hex1beea4f

29289039 has 8 divisors (see below), whose sum is σ = 42056112. Its totient is φ = 18024000.

The previous prime is 29289031. The next prime is 29289049. The reversal of 29289039 is 93098292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29289039 - 23 = 29289031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29289031) 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 7 ways as a sum of consecutive naturals, for example, 375462 + ... + 375539.

It is an arithmetic number, because the mean of its divisors is an integer number (5257014).

Almost surely, 229289039 is an apocalyptic number.

29289039 is a deficient number, since it is larger than the sum of its proper divisors (12767073).

29289039 is a wasteful number, since it uses less digits than its factorization.

29289039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751017.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 29289039 is about 5411.9348665704. The cubic root of 29289039 is about 308.2490220578.

The spelling of 29289039 in words is "twenty-nine million, two hundred eighty-nine thousand, thirty-nine".

Divisors: 1 3 13 39 751001 2253003 9763013 29289039