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4381709 is a prime number
BaseRepresentation
bin10000101101110000001101
322020121120112
4100231300031
52110203314
6233525405
752146443
oct20556015
98217515
104381709
112523052
121573865
13ba5537
14820b93
155b843e
hex42dc0d

4381709 has 2 divisors, whose sum is σ = 4381710. Its totient is φ = 4381708.

The previous prime is 4381703. The next prime is 4381739. The reversal of 4381709 is 9071834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 469225 = 1978^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381709 - 24 = 4381693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4381703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190854 + 2190855.

It is an arithmetic number, because the mean of its divisors is an integer number (2190855).

Almost surely, 24381709 is an apocalyptic number.

It is an amenable number.

4381709 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381709 is an equidigital number, since it uses as much as digits as its factorization.

4381709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4381709 is about 2093.2532097193. The cubic root of 4381709 is about 163.6368750358.

The spelling of 4381709 in words is "four million, three hundred eighty-one thousand, seven hundred nine".