Search a number
-
+
204291253 is a prime number
BaseRepresentation
bin11000010110100…
…11110010110101
3112020102001220201
430023103302311
5404244310003
632134400501
75030306215
oct1413236265
9466361821
10204291253
11a5354051
1258500131
133342a5ca
141d1bc245
1512e05b1d
hexc2d3cb5

204291253 has 2 divisors, whose sum is σ = 204291254. Its totient is φ = 204291252.

The previous prime is 204291247. The next prime is 204291259. The reversal of 204291253 is 352192402.

It is a balanced prime because it is at equal distance from previous prime (204291247) and next prime (204291259).

It can be written as a sum of positive squares in only one way, i.e., 189530289 + 14760964 = 13767^2 + 3842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204291253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204291259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102145626 + 102145627.

It is an arithmetic number, because the mean of its divisors is an integer number (102145627).

Almost surely, 2204291253 is an apocalyptic number.

It is an amenable number.

204291253 is a deficient number, since it is larger than the sum of its proper divisors (1).

204291253 is an equidigital number, since it uses as much as digits as its factorization.

204291253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 204291253 is about 14293.0491148670. The cubic root of 204291253 is about 588.9565517456.

The spelling of 204291253 in words is "two hundred four million, two hundred ninety-one thousand, two hundred fifty-three".