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205341393 = 3599114269
BaseRepresentation
bin11000011110101…
…00001011010001
3112022101102102210
430033110023101
5410031411033
632213102333
75042241645
oct1417241321
9468342383
10205341393
11a5a01034
12589279a9
13337075aa
141d3b2c25
1513061d63
hexc3d42d1

205341393 has 8 divisors (see below), whose sum is σ = 274248000. Its totient is φ = 136664528.

The previous prime is 205341371. The next prime is 205341397. The reversal of 205341393 is 393143502.

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

It is a cyclic number.

It is not a de Polignac number, because 205341393 - 28 = 205341137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205341393.

It is not an unprimeable number, because it can be changed into a prime (205341397) by changing a digit.

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, 55338 + ... + 58931.

It is an arithmetic number, because the mean of its divisors is an integer number (34281000).

Almost surely, 2205341393 is an apocalyptic number.

It is an amenable number.

205341393 is a deficient number, since it is larger than the sum of its proper divisors (68906607).

205341393 is a wasteful number, since it uses less digits than its factorization.

205341393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114871.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 205341393 is about 14329.7380645984. The cubic root of 205341393 is about 589.9639861193.

Adding to 205341393 its reverse (393143502), we get a palindrome (598484895).

The spelling of 205341393 in words is "two hundred five million, three hundred forty-one thousand, three hundred ninety-three".

Divisors: 1 3 599 1797 114269 342807 68447131 205341393