Base | Representation |
---|---|
bin | 1101100010011… |
… | …1111110001101 |
3 | 10221212001212220 |
4 | 3120213332031 |
5 | 104014134304 |
6 | 5345045553 |
7 | 1256452161 |
oct | 330477615 |
9 | 127761786 |
10 | 56786829 |
11 | 2a066870 |
12 | 170268b9 |
13 | b9c3598 |
14 | 7782ca1 |
15 | 4ebaad9 |
hex | 3627f8d |
56786829 has 16 divisors (see below), whose sum is σ = 82762560. Its totient is φ = 34348160.
The previous prime is 56786827. The next prime is 56786833. The reversal of 56786829 is 92868765.
It is not a de Polignac number, because 56786829 - 21 = 56786827 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56786827) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18967 + ... + 21755.
It is an arithmetic number, because the mean of its divisors is an integer number (5172660).
Almost surely, 256786829 is an apocalyptic number.
It is an amenable number.
56786829 is a deficient number, since it is larger than the sum of its proper divisors (25975731).
56786829 is a wasteful number, since it uses less digits than its factorization.
56786829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3420.
The product of its digits is 1451520, while the sum is 51.
The square root of 56786829 is about 7535.7036167832. The cubic root of 56786829 is about 384.3697542545.
It can be divided in two parts, 56 and 786829, that added together give a triangular number (786885 = T1254).
The spelling of 56786829 in words is "fifty-six million, seven hundred eighty-six thousand, eight hundred twenty-nine".
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