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42061793 is a prime number
BaseRepresentation
bin1010000001110…
…0111111100001
32221010221221012
42200130333201
541231434133
64101310305
71020343064
oct240347741
987127835
1042061793
1121819714
1212105395
138939147
14582c8db
153a5cb48
hex281cfe1

42061793 has 2 divisors, whose sum is σ = 42061794. Its totient is φ = 42061792.

The previous prime is 42061771. The next prime is 42061883. The reversal of 42061793 is 39716024.

42061793 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., 33721249 + 8340544 = 5807^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 42061793 - 218 = 41799649 is a prime.

It is not a weakly prime, because it can be changed into another prime (42061493) 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, 21030896 + 21030897.

It is an arithmetic number, because the mean of its divisors is an integer number (21030897).

Almost surely, 242061793 is an apocalyptic number.

It is an amenable number.

42061793 is a deficient number, since it is larger than the sum of its proper divisors (1).

42061793 is an equidigital number, since it uses as much as digits as its factorization.

42061793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 42061793 is about 6485.5063796129. The cubic root of 42061793 is about 347.7730524736.

The spelling of 42061793 in words is "forty-two million, sixty-one thousand, seven hundred ninety-three".