Base | Representation |
---|---|
bin | 1101011110001… |
… | …1001010101101 |
3 | 10221022202021222 |
4 | 3113203022231 |
5 | 103431130010 |
6 | 5335033125 |
7 | 1254166424 |
oct | 327431255 |
9 | 127282258 |
10 | 56505005 |
11 | 29994057 |
12 | 16b0b7a5 |
13 | b92521b |
14 | 770c2bb |
15 | 4e62355 |
hex | 35e32ad |
56505005 has 8 divisors (see below), whose sum is σ = 67847424. Its totient is φ = 45176400.
The previous prime is 56504977. The next prime is 56505013. The reversal of 56505005 is 50050565.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56505005 - 216 = 56439469 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 7 ways as a sum of consecutive naturals, for example, 11240 + ... + 15470.
It is an arithmetic number, because the mean of its divisors is an integer number (8480928).
Almost surely, 256505005 is an apocalyptic number.
It is an amenable number.
56505005 is a deficient number, since it is larger than the sum of its proper divisors (11342419).
56505005 is a wasteful number, since it uses less digits than its factorization.
56505005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6907.
The product of its (nonzero) digits is 3750, while the sum is 26.
The square root of 56505005 is about 7516.9811094614. The cubic root of 56505005 is about 383.7328441439.
The spelling of 56505005 in words is "fifty-six million, five hundred five thousand, five".
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