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204097349 = 1353715077
BaseRepresentation
bin11000010101001…
…00011101000101
3112020001012221002
430022210131011
5404222103344
632130303045
75025541001
oct1412443505
9466035832
10204097349
11a52313a5
1258427a85
1333390281
141d16b701
1512db844e
hexc2a4745

204097349 has 4 divisors (see below), whose sum is σ = 204125964. Its totient is φ = 204068736.

The previous prime is 204097337. The next prime is 204097379. The reversal of 204097349 is 943790402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 103897249 + 100200100 = 10193^2 + 10010^2 .

It is a cyclic number.

It is not a de Polignac number, because 204097349 - 216 = 204031813 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 (204097379) 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, 5999 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (51031491).

Almost surely, 2204097349 is an apocalyptic number.

It is an amenable number.

204097349 is a deficient number, since it is larger than the sum of its proper divisors (28615).

204097349 is a wasteful number, since it uses less digits than its factorization.

204097349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 204097349 is about 14286.2643472673. The cubic root of 204097349 is about 588.7701558034.

The spelling of 204097349 in words is "two hundred four million, ninety-seven thousand, three hundred forty-nine".

Divisors: 1 13537 15077 204097349