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260427169 is a prime number
BaseRepresentation
bin11111000010111…
…00110110100001
3200011001001220201
433201130312201
51013132132134
641501505201
76311410612
oct1741346641
9604031821
10260427169
11124005872
1273272201
1341c53822
1426831c09
1517ce3914
hexf85cda1

260427169 has 2 divisors, whose sum is σ = 260427170. Its totient is φ = 260427168.

The previous prime is 260427151. The next prime is 260427227. The reversal of 260427169 is 961724062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236544400 + 23882769 = 15380^2 + 4887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260427169 is a prime.

It is a super-2 number, since 2×2604271692 = 135644620706709122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260427109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130213584 + 130213585.

It is an arithmetic number, because the mean of its divisors is an integer number (130213585).

Almost surely, 2260427169 is an apocalyptic number.

It is an amenable number.

260427169 is a deficient number, since it is larger than the sum of its proper divisors (1).

260427169 is an equidigital number, since it uses as much as digits as its factorization.

260427169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 260427169 is about 16137.7560088136. The cubic root of 260427169 is about 638.5997781188.

The spelling of 260427169 in words is "two hundred sixty million, four hundred twenty-seven thousand, one hundred sixty-nine".