Base | Representation |
---|---|
bin | 1101011110010… |
… | …0011010011001 |
3 | 10221100000021212 |
4 | 3113210122121 |
5 | 103431310410 |
6 | 5335112505 |
7 | 1254220331 |
oct | 327443231 |
9 | 127300255 |
10 | 56510105 |
11 | 29997973 |
12 | 16b12735 |
13 | b927642 |
14 | 77100c1 |
15 | 4e63b05 |
hex | 35e4699 |
56510105 has 8 divisors (see below), whose sum is σ = 68574600. Its totient is φ = 44699776.
The previous prime is 56510099. The next prime is 56510119. The reversal of 56510105 is 50101565.
It can be written as a sum of positive squares in 4 ways, for example, as 6990736 + 49519369 = 2644^2 + 7037^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 56510105 - 214 = 56493721 is a prime.
It is a super-2 number, since 2×565101052 = 6386783934222050, which contains 22 as substring.
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, 63050 + ... + 63939.
It is an arithmetic number, because the mean of its divisors is an integer number (8571825).
Almost surely, 256510105 is an apocalyptic number.
It is an amenable number.
56510105 is a deficient number, since it is larger than the sum of its proper divisors (12064495).
56510105 is a wasteful number, since it uses less digits than its factorization.
56510105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127083.
The product of its (nonzero) digits is 750, while the sum is 23.
The square root of 56510105 is about 7517.3203337360. The cubic root of 56510105 is about 383.7443887178.
The spelling of 56510105 in words is "fifty-six million, five hundred ten thousand, one hundred five".
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