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320049193 is a prime number
BaseRepresentation
bin10011000100111…
…001000000101001
3211022020011221211
4103010321000221
51123413033233
651431433121
710634242012
oct2304710051
9738204854
10320049193
11154728772
128b2257a1
13513ca729
1430712009
151d16e5cd
hex13139029

320049193 has 2 divisors, whose sum is σ = 320049194. Its totient is φ = 320049192.

The previous prime is 320049143. The next prime is 320049199. The reversal of 320049193 is 391940023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221801449 + 98247744 = 14893^2 + 9912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-320049193 is a prime.

It is not a weakly prime, because it can be changed into another prime (320049199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160024596 + 160024597.

It is an arithmetic number, because the mean of its divisors is an integer number (160024597).

Almost surely, 2320049193 is an apocalyptic number.

It is an amenable number.

320049193 is a deficient number, since it is larger than the sum of its proper divisors (1).

320049193 is an equidigital number, since it uses as much as digits as its factorization.

320049193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 320049193 is about 17889.9187533091. The cubic root of 320049193 is about 684.0254263943.

The spelling of 320049193 in words is "three hundred twenty million, forty-nine thousand, one hundred ninety-three".