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29189665 = 520112903
BaseRepresentation
bin110111101011…
…0011000100001
32000220222200201
41233112120201
524433032130
62521345201
7503052031
oct157263041
960828621
1029189665
111552769a
129938201
1360801bb
143c3b8c1
152868bca
hex1bd6621

29189665 has 8 divisors (see below), whose sum is σ = 35057088. Its totient is φ = 23332080.

The previous prime is 29189651. The next prime is 29189683. The reversal of 29189665 is 56698192.

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

It is not a de Polignac number, because 29189665 - 211 = 29187617 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 8604 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (4382136).

Almost surely, 229189665 is an apocalyptic number.

It is an amenable number.

29189665 is a deficient number, since it is larger than the sum of its proper divisors (5867423).

29189665 is a wasteful number, since it uses less digits than its factorization.

29189665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its digits is 233280, while the sum is 46.

The square root of 29189665 is about 5402.7460610323. The cubic root of 29189665 is about 307.9000104111.

The spelling of 29189665 in words is "twenty-nine million, one hundred eighty-nine thousand, six hundred sixty-five".

Divisors: 1 5 2011 2903 10055 14515 5837933 29189665