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11131662 = 231999323
BaseRepresentation
bin101010011101…
…101100001110
3202221112202210
4222131230032
510322203122
61034331250
7163421553
oct52355416
922845683
1011131662
116313423
123889b26
1323c99a9
14169aa2a
15e9d40c
hexa9db0e

11131662 has 16 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 3691512.

The previous prime is 11131657. The next prime is 11131669. The reversal of 11131662 is 26613111.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131669) by changing a digit.

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, 3468 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 211131662 is an apocalyptic number.

11131662 is an abundant number, since it is smaller than the sum of its proper divisors (11245938).

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

11131662 is a wasteful number, since it uses less digits than its factorization.

11131662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527.

The product of its digits is 216, while the sum is 21.

The square root of 11131662 is about 3336.4145425891. The cubic root of 11131662 is about 223.2818063846.

Adding to 11131662 its reverse (26613111), we get a palindrome (37744773).

It can be divided in two parts, 1113 and 1662, that added together give a triangular number (2775 = T74).

The spelling of 11131662 in words is "eleven million, one hundred thirty-one thousand, six hundred sixty-two".

Divisors: 1 2 3 6 199 398 597 1194 9323 18646 27969 55938 1855277 3710554 5565831 11131662