Search a number
-
+
260045393 is a prime number
BaseRepresentation
bin11110111111111…
…11101001010001
3200010022200012212
433133333221101
51013032423033
641445401505
76305230556
oct1737775121
9603280185
10260045393
11123874a53
1273109295
1341b4bb1a
1426772a2d
1517c6a748
hexf7ffa51

260045393 has 2 divisors, whose sum is σ = 260045394. Its totient is φ = 260045392.

The previous prime is 260045389. The next prime is 260045437. The reversal of 260045393 is 393540062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210018064 + 50027329 = 14492^2 + 7073^2 .

It is a cyclic number.

It is not a de Polignac number, because 260045393 - 22 = 260045389 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260045323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130022696 + 130022697.

It is an arithmetic number, because the mean of its divisors is an integer number (130022697).

Almost surely, 2260045393 is an apocalyptic number.

It is an amenable number.

260045393 is a deficient number, since it is larger than the sum of its proper divisors (1).

260045393 is an equidigital number, since it uses as much as digits as its factorization.

260045393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 260045393 is about 16125.9230123426. The cubic root of 260045393 is about 638.2875714448.

The spelling of 260045393 in words is "two hundred sixty million, forty-five thousand, three hundred ninety-three".