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2080657 is a prime number
BaseRepresentation
bin111111011111110010001
310220201010101
413323332101
51013040112
6112332401
723454025
oct7737621
93821111
102080657
1111a1257
12844101
1357b077
143c2385
152b1757
hex1fbf91

2080657 has 2 divisors, whose sum is σ = 2080658. Its totient is φ = 2080656.

The previous prime is 2080651. The next prime is 2080667. The reversal of 2080657 is 7560802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 732736 = 1161^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080657 - 219 = 1556369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2080651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040328 + 1040329.

It is an arithmetic number, because the mean of its divisors is an integer number (1040329).

22080657 is an apocalyptic number.

It is an amenable number.

2080657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2080657 is an equidigital number, since it uses as much as digits as its factorization.

2080657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2080657 is about 1442.4482659700. The cubic root of 2080657 is about 127.6635246435.

The spelling of 2080657 in words is "two million, eighty thousand, six hundred fifty-seven".