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18064379 is a prime number
BaseRepresentation
bin100010011101…
…0001111111011
31020222202200002
41010322033323
514111030004
61443103215
7306354554
oct104721773
936882602
1018064379
11a219043
126071b0b
1339863a8
14258332b
1518bc61e
hex113a3fb

18064379 has 2 divisors, whose sum is σ = 18064380. Its totient is φ = 18064378.

The previous prime is 18064373. The next prime is 18064427. The reversal of 18064379 is 97346081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18064379 - 24 = 18064363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18064373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9032189 + 9032190.

It is an arithmetic number, because the mean of its divisors is an integer number (9032190).

Almost surely, 218064379 is an apocalyptic number.

18064379 is a deficient number, since it is larger than the sum of its proper divisors (1).

18064379 is an equidigital number, since it uses as much as digits as its factorization.

18064379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 18064379 is about 4250.2210530748. The cubic root of 18064379 is about 262.3862134200.

The spelling of 18064379 in words is "eighteen million, sixty-four thousand, three hundred seventy-nine".