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13606056 = 23362333
BaseRepresentation
bin110011111001…
…110010101000
3221121021000000
4303321302220
511440343211
61203343000
7223435542
oct63716250
927537000
1013606056
117753482
124681a60
132a85029
141b42692
1512db656
hexcf9ca8

13606056 has 56 divisors (see below), whose sum is σ = 38265930. Its totient is φ = 4533408.

The previous prime is 13606051. The next prime is 13606067. The reversal of 13606056 is 65060631.

13606056 is a `hidden beast` number, since 1 + 3 + 606 + 0 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 1285956 = 3510^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13606051) 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 13 ways as a sum of consecutive naturals, for example, 4666 + ... + 6998.

Almost surely, 213606056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13606056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19132965).

13606056 is an abundant number, since it is smaller than the sum of its proper divisors (24659874).

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

13606056 is an equidigital number, since it uses as much as digits as its factorization.

13606056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13606056 is about 3688.6387733146. The cubic root of 13606056 is about 238.7320631975.

Adding to 13606056 its reverse (65060631), we get a palindrome (78666687).

The spelling of 13606056 in words is "thirteen million, six hundred six thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 729 972 1458 1944 2333 2916 4666 5832 6999 9332 13998 18664 20997 27996 41994 55992 62991 83988 125982 167976 188973 251964 377946 503928 566919 755892 1133838 1511784 1700757 2267676 3401514 4535352 6803028 13606056