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11712284 = 221928111
BaseRepresentation
bin101100101011…
…011100011100
3211001001020022
4230223130130
510444243114
61055011312
7201360413
oct54533434
924031208
1011712284
11667a681
123b09b38
13257105c
1417ac47a
15106548e
hexb2b71c

11712284 has 18 divisors (see below), whose sum is σ = 21634704. Its totient is φ = 5547240.

The previous prime is 11712277. The next prime is 11712287. The reversal of 11712284 is 48221711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712287) 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 5 ways as a sum of consecutive naturals, for example, 2612 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (1201928).

Almost surely, 211712284 is an apocalyptic number.

It is an amenable number.

11712284 is a deficient number, since it is larger than the sum of its proper divisors (9922420).

11712284 is a wasteful number, since it uses less digits than its factorization.

11712284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153 (or 8132 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 11712284 is about 3422.3214343483. The cubic root of 11712284 is about 227.0982904119.

Adding to 11712284 its reverse (48221711), we get a palindrome (59933995).

The spelling of 11712284 in words is "eleven million, seven hundred twelve thousand, two hundred eighty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 8111 16222 32444 154109 308218 616436 2928071 5856142 11712284