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2028713 is a prime number
BaseRepresentation
bin111101111010010101001
310211001212112
413233102221
51004404323
6111252105
723146421
oct7572251
93731775
102028713
111166225
1281a035
1356052b
143ab481
152a1178
hex1ef4a9

2028713 has 2 divisors, whose sum is σ = 2028714. Its totient is φ = 2028712.

The previous prime is 2028707. The next prime is 2028749. The reversal of 2028713 is 3178202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 34969 = 1412^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028713 - 220 = 980137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2028703) 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, 1014356 + 1014357.

It is an arithmetic number, because the mean of its divisors is an integer number (1014357).

22028713 is an apocalyptic number.

It is an amenable number.

2028713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028713 is an equidigital number, since it uses as much as digits as its factorization.

2028713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2028713 is about 1424.3289648111. The cubic root of 2028713 is about 126.5921776565.

The spelling of 2028713 in words is "two million, twenty-eight thousand, seven hundred thirteen".