Base | Representation |
---|---|
bin | 1100100100101… |
… | …11100010001101 |
3 | 21100110212000011 |
4 | 12102113202031 |
5 | 204000301120 |
6 | 14244433221 |
7 | 2420356603 |
oct | 622274215 |
9 | 240425004 |
10 | 105478285 |
11 | 545a3440 |
12 | 2b3a8811 |
13 | 18b111b3 |
14 | 10019873 |
15 | 93d7c5a |
hex | 649788d |
105478285 has 32 divisors (see below), whose sum is σ = 147837312. Its totient is φ = 71393280.
The previous prime is 105478279. The next prime is 105478327. The reversal of 105478285 is 582874501.
It is not a de Polignac number, because 105478285 - 213 = 105470093 is a prime.
It is a super-2 number, since 2×1054782852 = 22251337213082450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90114 + ... + 91276.
It is an arithmetic number, because the mean of its divisors is an integer number (4619916).
Almost surely, 2105478285 is an apocalyptic number.
It is an amenable number.
105478285 is a deficient number, since it is larger than the sum of its proper divisors (42359027).
105478285 is a wasteful number, since it uses less digits than its factorization.
105478285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1293.
The product of its (nonzero) digits is 89600, while the sum is 40.
The square root of 105478285 is about 10270.2621680267. The cubic root of 105478285 is about 472.4846313227.
The spelling of 105478285 in words is "one hundred five million, four hundred seventy-eight thousand, two hundred eighty-five".
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