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11231112 = 233467963
BaseRepresentation
bin101010110101…
…111110001000
3210010121012010
4222311332020
510333343422
61040415520
7164314524
oct52657610
923117163
1011231112
116381112
1239175a0
132433039
1416c4d84
15ebcb0c
hexab5f88

11231112 has 16 divisors (see below), whose sum is σ = 28077840. Its totient is φ = 3743696.

The previous prime is 11231111. The next prime is 11231119. The reversal of 11231112 is 21113211.

It is a super-2 number, since 2×112311122 = 252275753513088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (11231111) 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 3 ways as a sum of consecutive naturals, for example, 233958 + ... + 234005.

It is an arithmetic number, because the mean of its divisors is an integer number (1754865).

Almost surely, 211231112 is an apocalyptic number.

11231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231112 is an abundant number, since it is smaller than the sum of its proper divisors (16846728).

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

11231112 is a wasteful number, since it uses less digits than its factorization.

11231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467972 (or 467968 counting only the distinct ones).

The product of its digits is 12, while the sum is 12.

The square root of 11231112 is about 3351.2851266343. The cubic root of 11231112 is about 223.9447674196.

Adding to 11231112 its reverse (21113211), we get a palindrome (32344323).

The spelling of 11231112 in words is "eleven million, two hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 467963 935926 1403889 1871852 2807778 3743704 5615556 11231112