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1704385641 = 3781161221
BaseRepresentation
bin110010110010110…
…1101110001101001
311101210002202120010
41211211231301221
511442310320031
6441042522133
760144016230
oct14545556151
94353082503
101704385641
117a5099182
123b6966349
1321215381a
14122507b17
159e96d246
hex6596dc69

1704385641 has 8 divisors (see below), whose sum is σ = 2597159104. Its totient is φ = 973934640.

The previous prime is 1704385637. The next prime is 1704385663. The reversal of 1704385641 is 1465834071.

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

It is not a de Polignac number, because 1704385641 - 22 = 1704385637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1704385641.

It is not an unprimeable number, because it can be changed into a prime (1704385681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40580590 + ... + 40580631.

It is an arithmetic number, because the mean of its divisors is an integer number (324644888).

Almost surely, 21704385641 is an apocalyptic number.

It is an amenable number.

1704385641 is a deficient number, since it is larger than the sum of its proper divisors (892773463).

1704385641 is an equidigital number, since it uses as much as digits as its factorization.

1704385641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81161231.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1704385641 is about 41284.2057087211. The cubic root of 1704385641 is about 1194.5086221676.

The spelling of 1704385641 in words is "one billion, seven hundred four million, three hundred eighty-five thousand, six hundred forty-one".

Divisors: 1 3 7 21 81161221 243483663 568128547 1704385641