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2055769 is a prime number
BaseRepresentation
bin111110101111001011001
310212102222121
413311321121
51011241034
6112021241
723321332
oct7657131
93772877
102055769
111184591
12831821
1356c941
143b7289
152a91b4
hex1f5e59

2055769 has 2 divisors, whose sum is σ = 2055770. Its totient is φ = 2055768.

The previous prime is 2055751. The next prime is 2055821. The reversal of 2055769 is 9675502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 974169 = 1040^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055769 - 211 = 2053721 is a prime.

It is a super-2 number, since 2×20557692 = 8452372362722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2055709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027884 + 1027885.

It is an arithmetic number, because the mean of its divisors is an integer number (1027885).

22055769 is an apocalyptic number.

It is an amenable number.

2055769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055769 is an equidigital number, since it uses as much as digits as its factorization.

2055769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2055769 is about 1433.7953131462. The cubic root of 2055769 is about 127.1524612051.

The spelling of 2055769 in words is "two million, fifty-five thousand, seven hundred sixty-nine".