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1682902085 = 5351795701
BaseRepresentation
bin110010001001111…
…0000110001000101
311100021200021122212
41210103300301011
511421310331320
6434554233205
756463301034
oct14423606105
94307607585
101682902085
11793a55277
123ab725805
1320a871067
1411d71471b
159cb279c5
hex644f0c45

1682902085 has 8 divisors (see below), whose sum is σ = 2020077816. Its totient is φ = 1345924800.

The previous prime is 1682902079. The next prime is 1682902127. The reversal of 1682902085 is 5802092861.

It can be written as a sum of positive squares in 4 ways, for example, as 380991361 + 1301910724 = 19519^2 + 36082^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1682902085 - 212 = 1682897989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 30266 + ... + 65435.

It is an arithmetic number, because the mean of its divisors is an integer number (252509727).

Almost surely, 21682902085 is an apocalyptic number.

It is an amenable number.

1682902085 is a deficient number, since it is larger than the sum of its proper divisors (337175731).

1682902085 is an equidigital number, since it uses as much as digits as its factorization.

1682902085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99223.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1682902085 is about 41023.1896005174. The cubic root of 1682902085 is about 1189.4685113330.

The spelling of 1682902085 in words is "one billion, six hundred eighty-two million, nine hundred two thousand, eighty-five".

Divisors: 1 5 3517 17585 95701 478505 336580417 1682902085