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320105441 is a prime number
BaseRepresentation
bin10011000101000…
…110101111100001
3211022100001010002
4103011012233201
51123421333231
651432545345
710634565005
oct2305065741
9738301102
10320105441
11154766a57
128b252255
135141a206
1430728705
151d1810cb
hex13146be1

320105441 has 2 divisors, whose sum is σ = 320105442. Its totient is φ = 320105440.

The previous prime is 320105399. The next prime is 320105447. The reversal of 320105441 is 144501023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307651600 + 12453841 = 17540^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 320105441 - 214 = 320089057 is a prime.

It is not a weakly prime, because it can be changed into another prime (320105447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160052720 + 160052721.

It is an arithmetic number, because the mean of its divisors is an integer number (160052721).

Almost surely, 2320105441 is an apocalyptic number.

It is an amenable number.

320105441 is a deficient number, since it is larger than the sum of its proper divisors (1).

320105441 is an equidigital number, since it uses as much as digits as its factorization.

320105441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 320105441 is about 17891.4907428084. The cubic root of 320105441 is about 684.0654960766.

Adding to 320105441 its reverse (144501023), we get a palindrome (464606464).

The spelling of 320105441 in words is "three hundred twenty million, one hundred five thousand, four hundred forty-one".