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1101085 = 5220217
BaseRepresentation
bin100001100110100011101
32001221101221
410030310131
5240213320
635333341
712234106
oct4146435
92057357
101101085
11692297
12451251
132c723b
142093ad
1516b3aa
hex10cd1d

1101085 has 4 divisors (see below), whose sum is σ = 1321308. Its totient is φ = 880864.

The previous prime is 1101071. The next prime is 1101091. The reversal of 1101085 is 5801011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 251001 = 922^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101085 - 213 = 1092893 is a prime.

It is a Duffinian number.

1101085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110104 + ... + 110113.

It is an arithmetic number, because the mean of its divisors is an integer number (330327).

21101085 is an apocalyptic number.

It is an amenable number.

1101085 is a deficient number, since it is larger than the sum of its proper divisors (220223).

1101085 is an equidigital number, since it uses as much as digits as its factorization.

1101085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220222.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1101085 is about 1049.3259741377. The cubic root of 1101085 is about 103.2619405116.

Adding to 1101085 its reverse (5801011), we get a palindrome (6902096).

The spelling of 1101085 in words is "one million, one hundred one thousand, eighty-five".

Divisors: 1 5 220217 1101085