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4380361 is a prime number
BaseRepresentation
bin10000101101011011001001
322020112201121
4100231123021
52110132421
6233515241
752142506
oct20553311
98215647
104380361
112522037
121572b21
13ba4a3b
148204ad
155b7d41
hex42d6c9

4380361 has 2 divisors, whose sum is σ = 4380362. Its totient is φ = 4380360.

The previous prime is 4380323. The next prime is 4380391. The reversal of 4380361 is 1630834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 2085136 = 1515^2 + 1444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4380361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4380391) 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, 2190180 + 2190181.

It is an arithmetic number, because the mean of its divisors is an integer number (2190181).

Almost surely, 24380361 is an apocalyptic number.

It is an amenable number.

4380361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380361 is an equidigital number, since it uses as much as digits as its factorization.

4380361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4380361 is about 2092.9311981047. The cubic root of 4380361 is about 163.6200927612.

The spelling of 4380361 in words is "four million, three hundred eighty thousand, three hundred sixty-one".