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11711712 = 253121997
BaseRepresentation
bin101100101011…
…010011100000
3211001000110010
4230223103200
510444233322
61055004520
7201355635
oct54532340
924030403
1011711712
11667a201
123b09740
132570a0c
1417ac18c
15106520c
hexb2b4e0

11711712 has 24 divisors (see below), whose sum is σ = 30743496. Its totient is φ = 3903872.

The previous prime is 11711701. The next prime is 11711731. The reversal of 11711712 is 21711711.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60903 + ... + 61094.

It is an arithmetic number, because the mean of its divisors is an integer number (1280979).

Almost surely, 211711712 is an apocalyptic number.

11711712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11711712 is an abundant number, since it is smaller than the sum of its proper divisors (19031784).

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

11711712 is a wasteful number, since it uses less digits than its factorization.

11711712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122010 (or 122002 counting only the distinct ones).

The product of its digits is 98, while the sum is 21.

The square root of 11711712 is about 3422.2378643221. The cubic root of 11711712 is about 227.0945933722.

Subtracting 11711712 from its reverse (21711711), we obtain a palindrome (9999999).

The spelling of 11711712 in words is "eleven million, seven hundred eleven thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 121997 243994 365991 487988 731982 975976 1463964 1951952 2927928 3903904 5855856 11711712