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4428805397 is a prime number
BaseRepresentation
bin1000001111111101…
…00011010100010101
3102102122120121212112
410013332203110111
533032233233042
62011244400405
7214515140042
oct40776432425
912378517775
104428805397
111972a44055
12a37246105
1355770a313
143002961c9
151adc28982
hex107fa3515

4428805397 has 2 divisors, whose sum is σ = 4428805398. Its totient is φ = 4428805396.

The previous prime is 4428805343. The next prime is 4428805417. The reversal of 4428805397 is 7935088244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2242401316 + 2186404081 = 47354^2 + 46759^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428805397 - 218 = 4428543253 is a prime.

It is a super-2 number, since 2×44288053972 = 39228634488992655218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428805327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214402698 + 2214402699.

It is an arithmetic number, because the mean of its divisors is an integer number (2214402699).

Almost surely, 24428805397 is an apocalyptic number.

It is an amenable number.

4428805397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428805397 is an equidigital number, since it uses as much as digits as its factorization.

4428805397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 4428805397 is about 66549.2704467900. The cubic root of 4428805397 is about 1642.2106561266.

The spelling of 4428805397 in words is "four billion, four hundred twenty-eight million, eight hundred five thousand, three hundred ninety-seven".