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13755856 = 2417103491
BaseRepresentation
bin110100011110…
…010111010000
3221212212111011
4310132113100
512010141411
61210500304
7224631352
oct64362720
927785434
1013755856
117845a84
124734694
132b0827a
141b810d2
15131ac21
hexd1e5d0

13755856 has 40 divisors (see below), whose sum is σ = 28551744. Its totient is φ = 6397440.

The previous prime is 13755827. The next prime is 13755871. The reversal of 13755856 is 65855731.

13755856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27771 + ... + 28261.

Almost surely, 213755856 is an apocalyptic number.

13755856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13755856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14275872).

13755856 is an abundant number, since it is smaller than the sum of its proper divisors (14795888).

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

13755856 is a wasteful number, since it uses less digits than its factorization.

13755856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 613 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 13755856 is about 3708.8887823713. Note that the first 3 decimals coincide. The cubic root of 13755856 is about 239.6049983954.

The spelling of 13755856 in words is "thirteen million, seven hundred fifty-five thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 17 34 68 103 136 206 272 412 491 824 982 1648 1751 1964 3502 3928 7004 7856 8347 14008 16694 28016 33388 50573 66776 101146 133552 202292 404584 809168 859741 1719482 3438964 6877928 13755856