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1980301 is a prime number
BaseRepresentation
bin111100011011110001101
310201121110111
413203132031
51001332201
6110240021
722555321
oct7433615
93647414
101980301
111132914
127b6011
1354449b
14397981
15291b51
hex1e378d

1980301 has 2 divisors, whose sum is σ = 1980302. Its totient is φ = 1980300.

The previous prime is 1980289. The next prime is 1980317. The reversal of 1980301 is 1030891.

It is the 575-th star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 224676 = 1325^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980301 - 25 = 1980269 is a prime.

1980301 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1980361) 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, 990150 + 990151.

It is an arithmetic number, because the mean of its divisors is an integer number (990151).

21980301 is an apocalyptic number.

It is an amenable number.

1980301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980301 is an equidigital number, since it uses as much as digits as its factorization.

1980301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1980301 is about 1407.2316795752. The cubic root of 1980301 is about 125.5770863376.

The spelling of 1980301 in words is "one million, nine hundred eighty thousand, three hundred one".