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2740169 is a prime number
BaseRepresentation
bin1010011100111111001001
312011012210202
422130333021
51200141134
6134421545
732201555
oct12347711
95135722
102740169
111601803
12b018b5
1374c303
14514865
15391d7e
hex29cfc9

2740169 has 2 divisors, whose sum is σ = 2740170. Its totient is φ = 2740168.

The previous prime is 2740141. The next prime is 2740187. The reversal of 2740169 is 9610472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 1210000 = 1237^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740169 - 220 = 1691593 is a prime.

It is a super-2 number, since 2×27401692 = 15017052297122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2740139) 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, 1370084 + 1370085.

It is an arithmetic number, because the mean of its divisors is an integer number (1370085).

22740169 is an apocalyptic number.

It is an amenable number.

2740169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740169 is an equidigital number, since it uses as much as digits as its factorization.

2740169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2740169 is about 1655.3455832544. The cubic root of 2740169 is about 139.9348165944.

The spelling of 2740169 in words is "two million, seven hundred forty thousand, one hundred sixty-nine".