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42054319 is a prime number
BaseRepresentation
bin1010000001101…
…1001010101111
32221010120200101
42200123022233
541231214234
64101211531
71020312226
oct240331257
987116611
1042054319
112181403a
1212100ba7
138935918
145829cbd
153a5a814
hex281b2af

42054319 has 2 divisors, whose sum is σ = 42054320. Its totient is φ = 42054318.

The previous prime is 42054283. The next prime is 42054323. The reversal of 42054319 is 91345024.

42054319 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 not a de Polignac number, because 42054319 - 217 = 41923247 is a prime.

It is a super-2 number, since 2×420543192 = 3537131493107522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42054329) 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, 21027159 + 21027160.

It is an arithmetic number, because the mean of its divisors is an integer number (21027160).

Almost surely, 242054319 is an apocalyptic number.

42054319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054319 is an equidigital number, since it uses as much as digits as its factorization.

42054319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42054319 is about 6484.9301461157. The cubic root of 42054319 is about 347.7524525452.

The spelling of 42054319 in words is "forty-two million, fifty-four thousand, three hundred nineteen".