Base | Representation |
---|---|
bin | 1101011001010… |
… | …0001111111000 |
3 | 10220201022212122 |
4 | 3112110033320 |
5 | 103340304002 |
6 | 5324100412 |
7 | 1251352124 |
oct | 326241770 |
9 | 126638778 |
10 | 56181752 |
11 | 29793200 |
12 | 16994708 |
13 | b841053 |
14 | 7666584 |
15 | 4deb6a2 |
hex | 35943f8 |
56181752 has 48 divisors (see below), whose sum is σ = 116954880. Its totient is φ = 25280640.
The previous prime is 56181751. The next prime is 56181757. The reversal of 56181752 is 25718165.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56181751) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122708 + ... + 123164.
It is an arithmetic number, because the mean of its divisors is an integer number (2436560).
Almost surely, 256181752 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 56181752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58477440).
56181752 is an abundant number, since it is smaller than the sum of its proper divisors (60773128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56181752 is a wasteful number, since it uses less digits than its factorization.
56181752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612 (or 597 counting only the distinct ones).
The product of its digits is 16800, while the sum is 35.
The square root of 56181752 is about 7495.4487524097. The cubic root of 56181752 is about 382.9996932283. Note that the first 3 decimals are identical.
The spelling of 56181752 in words is "fifty-six million, one hundred eighty-one thousand, seven hundred fifty-two".
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