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1806341341 = 72172817717
BaseRepresentation
bin110101110101010…
…1001010011011101
311122212221122111011
41223222221103131
512144410410331
6455124055221
762522435200
oct15352512335
94585848434
101806341341
118476a5a92
12424b34511
1322a30053c
14131c87937
15a88ac3b1
hex6baa94dd

1806341341 has 24 divisors (see below), whose sum is σ = 2233064376. Its totient is φ = 1451842560.

The previous prime is 1806341323. The next prime is 1806341353. The reversal of 1806341341 is 1431436081.

It can be written as a sum of positive squares in 4 ways, for example, as 619263225 + 1187078116 = 24885^2 + 34454^2 .

It is not a de Polignac number, because 1806341341 - 25 = 1806341309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806311341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230215 + ... + 237931.

It is an arithmetic number, because the mean of its divisors is an integer number (93044349).

Almost surely, 21806341341 is an apocalyptic number.

It is an amenable number.

1806341341 is a deficient number, since it is larger than the sum of its proper divisors (426723035).

1806341341 is a wasteful number, since it uses less digits than its factorization.

1806341341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8029 (or 8022 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1806341341 is about 42501.0745864149. The cubic root of 1806341341 is about 1217.8672180966.

The spelling of 1806341341 in words is "one billion, eight hundred six million, three hundred forty-one thousand, three hundred forty-one".

Divisors: 1 7 17 49 119 281 833 1967 4777 7717 13769 33439 54019 131189 234073 378133 918323 2168477 6428261 15179339 36864109 106255373 258048763 1806341341