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16448213 is a prime number
BaseRepresentation
bin111110101111…
…101011010101
31010221122201002
4332233223111
513202320323
61344313045
7256543655
oct76575325
933848632
1016448213
119314871
125612785
13353b892
142282365
15169d828
hexfafad5

16448213 has 2 divisors, whose sum is σ = 16448214. Its totient is φ = 16448212.

The previous prime is 16448183. The next prime is 16448227. The reversal of 16448213 is 31284461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 4765489 = 3418^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 16448213 - 26 = 16448149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16448233) 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, 8224106 + 8224107.

It is an arithmetic number, because the mean of its divisors is an integer number (8224107).

Almost surely, 216448213 is an apocalyptic number.

It is an amenable number.

16448213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16448213 is an equidigital number, since it uses as much as digits as its factorization.

16448213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 16448213 is about 4055.6396536182. The cubic root of 16448213 is about 254.3155449671.

It can be divided in two parts, 16448 and 213, that added together give a palindrome (16661).

The spelling of 16448213 in words is "sixteen million, four hundred forty-eight thousand, two hundred thirteen".