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2028617 is a prime number
BaseRepresentation
bin111101111010001001001
310211001201222
413233101021
51004403432
6111251425
723146223
oct7572111
93731658
102028617
111166148
12819b75
13560486
143ab413
152a1112
hex1ef449

2028617 has 2 divisors, whose sum is σ = 2028618. Its totient is φ = 2028616.

The previous prime is 2028601. The next prime is 2028629. The reversal of 2028617 is 7168202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 841 = 1424^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028617 - 24 = 2028601 is a prime.

It is a super-3 number, since 3×20286173 = 25045023094592283339, which contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2028647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014308 + 1014309.

It is an arithmetic number, because the mean of its divisors is an integer number (1014309).

22028617 is an apocalyptic number.

It is an amenable number.

2028617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028617 is an equidigital number, since it uses as much as digits as its factorization.

2028617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2028617 is about 1424.2952643325. The cubic root of 2028617 is about 126.5901808173.

The spelling of 2028617 in words is "two million, twenty-eight thousand, six hundred seventeen".