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42314081 is a prime number
BaseRepresentation
bin1010000101101…
…0100101100001
32221121210000012
42201122211201
541313022311
64110534305
71022443445
oct241324541
987553005
1042314081
1121981217
1212207395
1389c6c24
145896825
153aac78b
hex285a961

42314081 has 2 divisors, whose sum is σ = 42314082. Its totient is φ = 42314080.

The previous prime is 42314017. The next prime is 42314099. The reversal of 42314081 is 18041324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21529600 + 20784481 = 4640^2 + 4559^2 .

It is a cyclic number.

It is not a de Polignac number, because 42314081 - 26 = 42314017 is a prime.

It is a super-2 number, since 2×423140812 = 3580962901749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42314011) 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, 21157040 + 21157041.

It is an arithmetic number, because the mean of its divisors is an integer number (21157041).

Almost surely, 242314081 is an apocalyptic number.

It is an amenable number.

42314081 is a deficient number, since it is larger than the sum of its proper divisors (1).

42314081 is an equidigital number, since it uses as much as digits as its factorization.

42314081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 42314081 is about 6504.9274400258. The cubic root of 42314081 is about 348.4669849274.

The spelling of 42314081 in words is "forty-two million, three hundred fourteen thousand, eighty-one".