Base | Representation |
---|---|
bin | 1101011110101… |
… | …1111101010100 |
3 | 10221101120200120 |
4 | 3113223331110 |
5 | 103433303022 |
6 | 5335511540 |
7 | 1254406413 |
oct | 327537524 |
9 | 127346616 |
10 | 56541012 |
11 | 29a09110 |
12 | 16b285b0 |
13 | b938728 |
14 | 771b47a |
15 | 4e6cd5c |
hex | 35ebf54 |
56541012 has 48 divisors (see below), whose sum is σ = 145381824. Its totient is φ = 16960000.
The previous prime is 56540987. The next prime is 56541029. The reversal of 56541012 is 21014565.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11212 + ... + 15452.
It is an arithmetic number, because the mean of its divisors is an integer number (3028788).
Almost surely, 256541012 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 56541012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72690912).
56541012 is an abundant number, since it is smaller than the sum of its proper divisors (88840812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56541012 is a wasteful number, since it uses less digits than its factorization.
56541012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4360 (or 4358 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 56541012 is about 7519.3757719641. The cubic root of 56541012 is about 383.8143362444.
Adding to 56541012 its reverse (21014565), we get a palindrome (77555577).
It can be divided in two parts, 5654 and 1012, that added together give a palindrome (6666).
The spelling of 56541012 in words is "fifty-six million, five hundred forty-one thousand, twelve".
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