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42448853 is a prime number
BaseRepresentation
bin1010000111101…
…1011111010101
32221212121212202
42201323133111
541331330403
64113454245
71023544406
oct241733725
987777782
1042448853
1121a634a7
1212271385
138a43385
1458cd9ad
153ad7688
hex287b7d5

42448853 has 2 divisors, whose sum is σ = 42448854. Its totient is φ = 42448852.

The previous prime is 42448829. The next prime is 42448871. The reversal of 42448853 is 35884424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25989604 + 16459249 = 5098^2 + 4057^2 .

It is a cyclic number.

It is not a de Polignac number, because 42448853 - 210 = 42447829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42448873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224426 + 21224427.

It is an arithmetic number, because the mean of its divisors is an integer number (21224427).

Almost surely, 242448853 is an apocalyptic number.

It is an amenable number.

42448853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448853 is an equidigital number, since it uses as much as digits as its factorization.

42448853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 38.

The square root of 42448853 is about 6515.2784284327. The cubic root of 42448853 is about 348.8365531588.

The spelling of 42448853 in words is "forty-two million, four hundred forty-eight thousand, eight hundred fifty-three".