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42403741 is a prime number
BaseRepresentation
bin1010000111000…
…0011110011101
32221210022222221
42201300132131
541323404431
64112505341
71023266032
oct241603635
987708887
1042403741
1121a32616
121224b251
138a28993
1458bb389
153ac9111
hex287079d

42403741 has 2 divisors, whose sum is σ = 42403742. Its totient is φ = 42403740.

The previous prime is 42403693. The next prime is 42403769. The reversal of 42403741 is 14730424.

42403741 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 can be written as a sum of positive squares in only one way, i.e., 41344900 + 1058841 = 6430^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 42403741 - 215 = 42370973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42403441) 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, 21201870 + 21201871.

It is an arithmetic number, because the mean of its divisors is an integer number (21201871).

Almost surely, 242403741 is an apocalyptic number.

It is an amenable number.

42403741 is a deficient number, since it is larger than the sum of its proper divisors (1).

42403741 is an equidigital number, since it uses as much as digits as its factorization.

42403741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42403741 is about 6511.8154918579. The cubic root of 42403741 is about 348.7129354288.

The spelling of 42403741 in words is "forty-two million, four hundred three thousand, seven hundred forty-one".