Search a number
-
+
260228497 is a prime number
BaseRepresentation
bin11111000001011…
…00010110010001
3200010122222101111
433200230112101
51013104302442
641453333321
76306622444
oct1740542621
9603588344
10260228497
1112398a581
1273197241
1341bb4279
14267bd65b
1517ca4b17
hexf82c591

260228497 has 2 divisors, whose sum is σ = 260228498. Its totient is φ = 260228496.

The previous prime is 260228483. The next prime is 260228533. The reversal of 260228497 is 794822062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131882256 + 128346241 = 11484^2 + 11329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260228497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260228467) 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 as a sum of consecutive naturals, namely, 130114248 + 130114249.

It is an arithmetic number, because the mean of its divisors is an integer number (130114249).

Almost surely, 2260228497 is an apocalyptic number.

It is an amenable number.

260228497 is a deficient number, since it is larger than the sum of its proper divisors (1).

260228497 is an equidigital number, since it uses as much as digits as its factorization.

260228497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 260228497 is about 16131.5993317464. The cubic root of 260228497 is about 638.4373473305.

The spelling of 260228497 in words is "two hundred sixty million, two hundred twenty-eight thousand, four hundred ninety-seven".