Base | Representation |
---|---|
bin | 1100100010111… |
… | …11111000011010 |
3 | 21100001021022101 |
4 | 12101133320122 |
5 | 203421002310 |
6 | 14235514014 |
7 | 2415420163 |
oct | 621377032 |
9 | 240037271 |
10 | 105250330 |
11 | 54458149 |
12 | 2b2b890a |
13 | 18a61503 |
14 | dd9a76a |
15 | 939043a |
hex | 645fe1a |
105250330 has 16 divisors (see below), whose sum is σ = 189581544. Its totient is φ = 42071040.
The previous prime is 105250297. The next prime is 105250333. The reversal of 105250330 is 33052501.
It can be written as a sum of positive squares in 4 ways, for example, as 76510009 + 28740321 = 8747^2 + 5361^2 .
It is a super-2 number, since 2×1052503302 = 22155263930217800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 105250298 and 105250307.
It is not an unprimeable number, because it can be changed into a prime (105250333) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17290 + ... + 22570.
Almost surely, 2105250330 is an apocalyptic number.
105250330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105250330 is a deficient number, since it is larger than the sum of its proper divisors (84331214).
105250330 is a wasteful number, since it uses less digits than its factorization.
105250330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7281.
The product of its (nonzero) digits is 450, while the sum is 19.
The square root of 105250330 is about 10259.1583475449. The cubic root of 105250330 is about 472.1440148736.
The spelling of 105250330 in words is "one hundred five million, two hundred fifty thousand, three hundred thirty".
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