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29041685 = 55808337
BaseRepresentation
bin110111011001…
…0010000010101
32000122110200222
41232302100111
524413313220
62514244125
7501564431
oct156622025
960573628
1029041685
11154364a2
129886645
13602aa3a
143bdd9c1
152839e25
hex1bb2415

29041685 has 4 divisors (see below), whose sum is σ = 34850028. Its totient is φ = 23233344.

The previous prime is 29041681. The next prime is 29041717. The reversal of 29041685 is 58614092.

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 3407716 + 25633969 = 1846^2 + 5063^2 .

It is a cyclic number.

It is not a de Polignac number, because 29041685 - 22 = 29041681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29041681) 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, 2904164 + ... + 2904173.

It is an arithmetic number, because the mean of its divisors is an integer number (8712507).

Almost surely, 229041685 is an apocalyptic number.

It is an amenable number.

29041685 is a deficient number, since it is larger than the sum of its proper divisors (5808343).

29041685 is an equidigital number, since it uses as much as digits as its factorization.

29041685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808342.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 29041685 is about 5389.0337723937. The cubic root of 29041685 is about 307.3788184454.

The spelling of 29041685 in words is "twenty-nine million, forty-one thousand, six hundred eighty-five".

Divisors: 1 5 5808337 29041685