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42387053 is a prime number
BaseRepresentation
bin1010000110110…
…0011001101101
32221202111002212
42201230121231
541322341203
64112300205
71023166262
oct241543155
987674085
1042387053
1121a21025
1212241665
138a211c7
1458b5269
153ac41d8
hex286c66d

42387053 has 2 divisors, whose sum is σ = 42387054. Its totient is φ = 42387052.

The previous prime is 42387041. The next prime is 42387101. The reversal of 42387053 is 35078324.

It is a happy number.

42387053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36990724 + 5396329 = 6082^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 42387053 - 218 = 42124909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42387853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21193526 + 21193527.

It is an arithmetic number, because the mean of its divisors is an integer number (21193527).

Almost surely, 242387053 is an apocalyptic number.

It is an amenable number.

42387053 is a deficient number, since it is larger than the sum of its proper divisors (1).

42387053 is an equidigital number, since it uses as much as digits as its factorization.

42387053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42387053 is about 6510.5340026760. The cubic root of 42387053 is about 348.6671840801.

The spelling of 42387053 in words is "forty-two million, three hundred eighty-seven thousand, fifty-three".