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1894434341 is a prime number
BaseRepresentation
bin111000011101010…
…1100011000100101
311220000201020100212
41300322230120211
512334433344331
6511552145205
764642266122
oct16072543045
94800636325
101894434341
118923a4618
1244a538205
13242635487
1413d859749
15b14add2b
hex70eac625

1894434341 has 2 divisors, whose sum is σ = 1894434342. Its totient is φ = 1894434340.

The previous prime is 1894434329. The next prime is 1894434391. The reversal of 1894434341 is 1434344981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1718102500 + 176331841 = 41450^2 + 13279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1894434341 - 214 = 1894417957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1894434391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947217170 + 947217171.

It is an arithmetic number, because the mean of its divisors is an integer number (947217171).

Almost surely, 21894434341 is an apocalyptic number.

It is an amenable number.

1894434341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894434341 is an equidigital number, since it uses as much as digits as its factorization.

1894434341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 1894434341 is about 43525.1001262490. The cubic root of 1894434341 is about 1237.3517756829.

The spelling of 1894434341 in words is "one billion, eight hundred ninety-four million, four hundred thirty-four thousand, three hundred forty-one".