Base | Representation |
---|---|
bin | 1101100001100… |
… | …0111001011101 |
3 | 10221201221012002 |
4 | 3120120321131 |
5 | 104010200320 |
6 | 5343452045 |
7 | 1256104154 |
oct | 330307135 |
9 | 127657162 |
10 | 56725085 |
11 | 2a02443a |
12 | 16bb7025 |
13 | b9a1451 |
14 | 776859b |
15 | 4ea7675 |
hex | 3618e5d |
56725085 has 4 divisors (see below), whose sum is σ = 68070108. Its totient is φ = 45380064.
The previous prime is 56725069. The next prime is 56725111. The reversal of 56725085 is 58052765.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58052765 = 5 ⋅11610553.
It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 47927929 = 2966^2 + 6923^2 .
It is a cyclic number.
It is not a de Polignac number, because 56725085 - 24 = 56725069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672504 + ... + 5672513.
It is an arithmetic number, because the mean of its divisors is an integer number (17017527).
Almost surely, 256725085 is an apocalyptic number.
It is an amenable number.
56725085 is a deficient number, since it is larger than the sum of its proper divisors (11345023).
56725085 is a wasteful number, since it uses less digits than its factorization.
56725085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11345022.
The product of its (nonzero) digits is 84000, while the sum is 38.
The square root of 56725085 is about 7531.6057384863. The cubic root of 56725085 is about 384.2303960434.
It can be divided in two parts, 567 and 25085, that added together give a palindrome (25652).
The spelling of 56725085 in words is "fifty-six million, seven hundred twenty-five thousand, eighty-five".
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