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29041189 = 37784897
BaseRepresentation
bin110111011001…
…0001000100101
32000122110000121
41232302020211
524413304224
62514241541
7501563122
oct156621045
960573017
1029041189
1115436091
1298862b1
13602a748
143bdd749
152839be4
hex1bb2225

29041189 has 4 divisors (see below), whose sum is σ = 29826124. Its totient is φ = 28256256.

The previous prime is 29041171. The next prime is 29041193. The reversal of 29041189 is 98114092.

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 15864289 + 13176900 = 3983^2 + 3630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29041189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29041109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392412 + ... + 392485.

It is an arithmetic number, because the mean of its divisors is an integer number (7456531).

Almost surely, 229041189 is an apocalyptic number.

It is an amenable number.

29041189 is a deficient number, since it is larger than the sum of its proper divisors (784935).

29041189 is an equidigital number, since it uses as much as digits as its factorization.

29041189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784934.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 29041189 is about 5388.9877528159. The cubic root of 29041189 is about 307.3770685382.

The spelling of 29041189 in words is "twenty-nine million, forty-one thousand, one hundred eighty-nine".

Divisors: 1 37 784897 29041189