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56786688 = 283272503
BaseRepresentation
bin1101100010011…
…1111100000000
310221212001200200
43120213330000
5104014133223
65345045200
71256451600
oct330477400
9127761620
1056786688
112a066752
1217026800
13b9c34ba
147782c00
154ebaa43
hex3627f00

56786688 has 162 divisors, whose sum is σ = 190840104. Its totient is φ = 16192512.

The previous prime is 56786683. The next prime is 56786713. The reversal of 56786688 is 88668765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56786683) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112645 + ... + 113147.

Almost surely, 256786688 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 56786688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95420052).

56786688 is an abundant number, since it is smaller than the sum of its proper divisors (134053416).

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

56786688 is a wasteful number, since it uses less digits than its factorization.

56786688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 515 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 56786688 is about 7535.6942613140. The cubic root of 56786688 is about 384.3694361281.

The spelling of 56786688 in words is "fifty-six million, seven hundred eighty-six thousand, six hundred eighty-eight".