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1331106 = 23741773
BaseRepresentation
bin101000100111110100010
32111121221020
411010332202
5320043411
644310310
714212530
oct5047642
92447836
101331106
1182a097
12542396
13377b4a
14269150
151b4606
hex144fa2

1331106 has 32 divisors (see below), whose sum is σ = 3120768. Its totient is φ = 370560.

The previous prime is 1331093. The next prime is 1331107. The reversal of 1331106 is 6011331.

It is not an unprimeable number, because it can be changed into a prime (1331107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

21331106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560384).

1331106 is an abundant number, since it is smaller than the sum of its proper divisors (1789662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331106 is a wasteful number, since it uses less digits than its factorization.

1331106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1331106 is about 1153.7356716337. The cubic root of 1331106 is about 110.0029200327.

Adding to 1331106 its reverse (6011331), we get a palindrome (7342437).

The spelling of 1331106 in words is "one million, three hundred thirty-one thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 41 42 82 123 246 287 574 773 861 1546 1722 2319 4638 5411 10822 16233 31693 32466 63386 95079 190158 221851 443702 665553 1331106