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205793293 is a prime number
BaseRepresentation
bin11000100010000…
…10100000001101
3112100020101022211
430101002200031
5410140341133
632230510421
75046133306
oct1421024015
9470211284
10205793293
11a618a602
1258b05411
13338351a4
141d48d7ad
1513100bcd
hexc44280d

205793293 has 2 divisors, whose sum is σ = 205793294. Its totient is φ = 205793292.

The previous prime is 205793267. The next prime is 205793299. The reversal of 205793293 is 392397502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192155044 + 13638249 = 13862^2 + 3693^2 .

It is a cyclic number.

It is not a de Polignac number, because 205793293 - 25 = 205793261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205793299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102896646 + 102896647.

It is an arithmetic number, because the mean of its divisors is an integer number (102896647).

Almost surely, 2205793293 is an apocalyptic number.

It is an amenable number.

205793293 is a deficient number, since it is larger than the sum of its proper divisors (1).

205793293 is an equidigital number, since it uses as much as digits as its factorization.

205793293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 205793293 is about 14345.4973075178. The cubic root of 205793293 is about 590.3964519195.

The spelling of 205793293 in words is "two hundred five million, seven hundred ninety-three thousand, two hundred ninety-three".