Base | Representation |
---|---|
bin | 1101100001111… |
… | …1101010100101 |
3 | 10221210100012202 |
4 | 3120133222211 |
5 | 104012042210 |
6 | 5344224245 |
7 | 1256251034 |
oct | 330375245 |
9 | 127710182 |
10 | 56752805 |
11 | 2a04324a |
12 | 1700b085 |
13 | b9b0c55 |
14 | 777471b |
15 | 4eb09a5 |
hex | 361faa5 |
56752805 has 4 divisors (see below), whose sum is σ = 68103372. Its totient is φ = 45402240.
The previous prime is 56752789. The next prime is 56752811. The reversal of 56752805 is 50825765.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50825765 = 5 ⋅10165153.
It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 11621281 = 6718^2 + 3409^2 .
It is not a de Polignac number, because 56752805 - 24 = 56752789 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, 5675276 + ... + 5675285.
It is an arithmetic number, because the mean of its divisors is an integer number (17025843).
Almost surely, 256752805 is an apocalyptic number.
It is an amenable number.
56752805 is a deficient number, since it is larger than the sum of its proper divisors (11350567).
56752805 is a wasteful number, since it uses less digits than its factorization.
56752805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11350566.
The product of its (nonzero) digits is 84000, while the sum is 38.
The square root of 56752805 is about 7533.4457587481. The cubic root of 56752805 is about 384.2929734852.
The spelling of 56752805 in words is "fifty-six million, seven hundred fifty-two thousand, eight hundred five".
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