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56012112 = 24321329921
BaseRepresentation
bin1101010110101…
…0110101010000
310220101201011200
43111222311100
5103314341422
65320311200
71250044422
oct325526520
9126351150
1056012112
1129687802
1216912500
13b7b1a80
147620812
154db62ac
hex356ad50

56012112 has 60 divisors (see below), whose sum is σ = 168819924. Its totient is φ = 17233920.

The previous prime is 56012111. The next prime is 56012119. The reversal of 56012112 is 21121065.

56012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21013056 + 34999056 = 4584^2 + 5916^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56012111) 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 11 ways as a sum of consecutive naturals, for example, 13089 + ... + 16832.

Almost surely, 256012112 is an apocalyptic number.

56012112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56012112 is an abundant number, since it is smaller than the sum of its proper divisors (112807812).

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

56012112 is a wasteful number, since it uses less digits than its factorization.

56012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29948 (or 29939 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 56012112 is about 7484.1239968349. The cubic root of 56012112 is about 382.6138172120.

Adding to 56012112 its reverse (21121065), we get a palindrome (77133177).

The spelling of 56012112 in words is "fifty-six million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 29921 59842 89763 119684 179526 239368 269289 359052 388973 478736 538578 718104 777946 1077156 1166919 1436208 1555892 2154312 2333838 3111784 3500757 4308624 4667676 6223568 7001514 9335352 14003028 18670704 28006056 56012112