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11130656 = 251918307
BaseRepresentation
bin101010011101…
…011100100000
3202221111101112
4222131130200
510322140111
61034322452
7163415615
oct52353440
922844345
1011130656
116312699
123889428
1323c93b4
14169a50c
15e9ce8b
hexa9d720

11130656 has 24 divisors (see below), whose sum is σ = 23068080. Its totient is φ = 5272128.

The previous prime is 11130629. The next prime is 11130659. The reversal of 11130656 is 65603111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11130659) 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 3 ways as a sum of consecutive naturals, for example, 8546 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (961170).

Almost surely, 211130656 is an apocalyptic number.

11130656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11130656 is an abundant number, since it is smaller than the sum of its proper divisors (11937424).

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

11130656 is a wasteful number, since it uses less digits than its factorization.

11130656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336 (or 18328 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11130656 is about 3336.2637785403. The cubic root of 11130656 is about 223.2750799777.

Adding to 11130656 its reverse (65603111), we get a palindrome (76733767).

The spelling of 11130656 in words is "eleven million, one hundred thirty thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 18307 36614 73228 146456 292912 347833 585824 695666 1391332 2782664 5565328 11130656