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18829061 is a prime number
BaseRepresentation
bin100011111010…
…0111100000101
31022102121121122
41013310330011
514310012221
61511323325
7316021136
oct107647405
938377548
1018829061
11a6a0609
126380545
133b93474
142701c8d
1519bdeab
hex11f4f05

18829061 has 2 divisors, whose sum is σ = 18829062. Its totient is φ = 18829060.

The previous prime is 18829051. The next prime is 18829073. The reversal of 18829061 is 16092881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18438436 + 390625 = 4294^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 18829061 - 210 = 18828037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18829021) 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, 9414530 + 9414531.

It is an arithmetic number, because the mean of its divisors is an integer number (9414531).

Almost surely, 218829061 is an apocalyptic number.

It is an amenable number.

18829061 is a deficient number, since it is larger than the sum of its proper divisors (1).

18829061 is an equidigital number, since it uses as much as digits as its factorization.

18829061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 18829061 is about 4339.2465935920. The cubic root of 18829061 is about 266.0375180276.

The spelling of 18829061 in words is "eighteen million, eight hundred twenty-nine thousand, sixty-one".