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42800743 is a prime number
BaseRepresentation
bin1010001101000…
…1011001100111
32222112111120201
42203101121213
541424110433
64125211331
71026541336
oct243213147
988474521
1042800743
1122183917
1212400b47
138b375ab
145981d1d
153b56a7d
hex28d1667

42800743 has 2 divisors, whose sum is σ = 42800744. Its totient is φ = 42800742.

The previous prime is 42800701. The next prime is 42800759. The reversal of 42800743 is 34700824.

42800743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42800743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42803743) 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, 21400371 + 21400372.

It is an arithmetic number, because the mean of its divisors is an integer number (21400372).

Almost surely, 242800743 is an apocalyptic number.

42800743 is a deficient number, since it is larger than the sum of its proper divisors (1).

42800743 is an equidigital number, since it uses as much as digits as its factorization.

42800743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42800743 is about 6542.2276787039. The cubic root of 42800743 is about 349.7978233717.

The spelling of 42800743 in words is "forty-two million, eight hundred thousand, seven hundred forty-three".