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205444414 = 2716678803
BaseRepresentation
bin11000011111011…
…01010100111110
3112022120122202101
430033231110332
5410043210124
632215215314
75043151210
oct1417552476
9468518671
10205444414
11a5a7147a
125897753a
1333742456
141d3dc5b0
1513082644
hexc3ed53e

205444414 has 16 divisors (see below), whose sum is σ = 352441728. Its totient is φ = 87984792.

The previous prime is 205444361. The next prime is 205444417. The reversal of 205444414 is 414444502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205444417) 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, 18937 + ... + 27739.

It is an arithmetic number, because the mean of its divisors is an integer number (22027608).

Almost surely, 2205444414 is an apocalyptic number.

205444414 is a deficient number, since it is larger than the sum of its proper divisors (146997314).

205444414 is a wasteful number, since it uses less digits than its factorization.

205444414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 205444414 is about 14333.3322713178. The cubic root of 205444414 is about 590.0626324393.

Adding to 205444414 its reverse (414444502), we get a palindrome (619888916).

The spelling of 205444414 in words is "two hundred five million, four hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 7 14 1667 3334 8803 11669 17606 23338 61621 123242 14674601 29349202 102722207 205444414