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11052811 = 71123792
BaseRepresentation
bin101010001010…
…011100001011
3202210112121101
4222022130023
510312142221
61032522231
7162642640
oct52123413
922715541
1011052811
11626a160
123850377
13239cb33
141679dc7
15e84d91
hexa8a70b

11052811 has 24 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 8133840.

The previous prime is 11052809. The next prime is 11052823. The reversal of 11052811 is 11825011.

It is a happy number.

It is not a de Polignac number, because 11052811 - 21 = 11052809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11052841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139870 + ... + 139948.

It is an arithmetic number, because the mean of its divisors is an integer number (606816).

Almost surely, 211052811 is an apocalyptic number.

11052811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11052811 is a deficient number, since it is larger than the sum of its proper divisors (3510773).

11052811 is an equidigital number, since it uses as much as digits as its factorization.

11052811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 11052811 is about 3324.5768151751. The cubic root of 11052811 is about 222.7533519423.

Adding to 11052811 its reverse (11825011), we get a palindrome (22877822).

It can be divided in two parts, 1105 and 2811, that added together give a triangular number (3916 = T88).

The spelling of 11052811 in words is "eleven million, fifty-two thousand, eight hundred eleven".

Divisors: 1 7 11 23 77 79 161 253 553 869 1771 1817 6083 6241 12719 19987 43687 68651 139909 143543 480557 1004801 1578973 11052811