Base | Representation |
---|---|
bin | 1100100011001… |
… | …11010010001111 |
3 | 21100002210220112 |
4 | 12101213102033 |
5 | 203422440110 |
6 | 14240310235 |
7 | 2415604454 |
oct | 621472217 |
9 | 240083815 |
10 | 105280655 |
11 | 54478a07 |
12 | 2b31237b |
13 | 18a7225c |
14 | dda782b |
15 | 9399405 |
hex | 646748f |
105280655 has 8 divisors (see below), whose sum is σ = 126434112. Its totient is φ = 84159648.
The previous prime is 105280621. The next prime is 105280667. The reversal of 105280655 is 556082501.
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 105280655 - 210 = 105279631 is a prime.
It is a super-2 number, since 2×1052806552 = 22168032634458050, which contains 22 as substring.
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, 284 + ... + 14513.
It is an arithmetic number, because the mean of its divisors is an integer number (15804264).
Almost surely, 2105280655 is an apocalyptic number.
105280655 is a deficient number, since it is larger than the sum of its proper divisors (21153457).
105280655 is a wasteful number, since it uses less digits than its factorization.
105280655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16225.
The product of its (nonzero) digits is 12000, while the sum is 32.
The square root of 105280655 is about 10260.6361888530. The cubic root of 105280655 is about 472.1893556415.
The spelling of 105280655 in words is "one hundred five million, two hundred eighty thousand, six hundred fifty-five".
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