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42175201 is a prime number
BaseRepresentation
bin1010000011100…
…0101011100001
32221100201111111
42200320223201
541244101301
64103543321
71021324525
oct240705341
987321444
1042175201
1121896942
121215ab41
138978953
14585bd85
153a81551
hex2838ae1

42175201 has 2 divisors, whose sum is σ = 42175202. Its totient is φ = 42175200.

The previous prime is 42175187. The next prime is 42175219. The reversal of 42175201 is 10257124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 18662400 = 4849^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 42175201 - 219 = 41650913 is a prime.

It is not a weakly prime, because it can be changed into another prime (42175271) 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, 21087600 + 21087601.

It is an arithmetic number, because the mean of its divisors is an integer number (21087601).

Almost surely, 242175201 is an apocalyptic number.

It is an amenable number.

42175201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42175201 is an equidigital number, since it uses as much as digits as its factorization.

42175201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 42175201 is about 6494.2436819078. The cubic root of 42175201 is about 348.0853299583.

The spelling of 42175201 in words is "forty-two million, one hundred seventy-five thousand, two hundred one".