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1065385 = 5415197
BaseRepresentation
bin100000100000110101001
32000010102201
410010012221
5233043020
634500201
712025036
oct4040651
92003381
101065385
11668492
12434661
132b3c09
141da38d
15160a0a
hex1041a9

1065385 has 8 divisors (see below), whose sum is σ = 1309896. Its totient is φ = 831360.

The previous prime is 1065347. The next prime is 1065391. The reversal of 1065385 is 5835601.

1065385 = 712 + 722 + ... + 1522.

It can be written as a sum of positive squares in 4 ways, for example, as 361 + 1065024 = 19^2 + 1032^2 .

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

It is not a de Polignac number, because 1065385 - 29 = 1064873 is a prime.

It is a super-2 number, since 2×10653852 = 2270090396450, which contains 22 as substring.

It is a Duffinian number.

1065385 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (163737).

21065385 is an apocalyptic number.

It is an amenable number.

1065385 is a deficient number, since it is larger than the sum of its proper divisors (244511).

1065385 is an equidigital number, since it uses as much as digits as its factorization.

1065385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1065385 is about 1032.1748882820. The cubic root of 1065385 is about 102.1336515320.

The spelling of 1065385 in words is "one million, sixty-five thousand, three hundred eighty-five".

Divisors: 1 5 41 205 5197 25985 213077 1065385