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4390801 is a prime number
BaseRepresentation
bin10000101111111110010001
322021002001021
4100233332101
52111001201
6234035441
752215112
oct20577621
98232037
104390801
112529968
121578b81
13ba970c
14824209
155baea1
hex42ff91

4390801 has 2 divisors, whose sum is σ = 4390802. Its totient is φ = 4390800.

The previous prime is 4390781. The next prime is 4390817. The reversal of 4390801 is 1080934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 1957201 = 1560^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 4390801 - 29 = 4390289 is a prime.

It is not a weakly prime, because it can be changed into another prime (4394801) 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, 2195400 + 2195401.

It is an arithmetic number, because the mean of its divisors is an integer number (2195401).

Almost surely, 24390801 is an apocalyptic number.

It is an amenable number.

4390801 is a deficient number, since it is larger than the sum of its proper divisors (1).

4390801 is an equidigital number, since it uses as much as digits as its factorization.

4390801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4390801 is about 2095.4238234782. The cubic root of 4390801 is about 163.7499784395.

The spelling of 4390801 in words is "four million, three hundred ninety thousand, eight hundred one".