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42067379 is a prime number
BaseRepresentation
bin1010000001111…
…0010110110011
32221011020121002
42200132112303
541232124004
64101352215
71020365264
oct240362663
987136532
1042067379
1121822932
121210866b
13893b853
14583096b
153a5e61e
hex281e5b3

42067379 has 2 divisors, whose sum is σ = 42067380. Its totient is φ = 42067378.

The previous prime is 42067343. The next prime is 42067393. The reversal of 42067379 is 97376024.

42067379 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-42067379 is a prime.

It is a super-3 number, since 3×420673793 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 42067379 parts by 9172 straight cuts.

It is not a weakly prime, because it can be changed into another prime (42067309) 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, 21033689 + 21033690.

It is an arithmetic number, because the mean of its divisors is an integer number (21033690).

Almost surely, 242067379 is an apocalyptic number.

42067379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42067379 is an equidigital number, since it uses as much as digits as its factorization.

42067379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 42067379 is about 6485.9370178872. The cubic root of 42067379 is about 347.7884470803.

The spelling of 42067379 in words is "forty-two million, sixty-seven thousand, three hundred seventy-nine".