Base | Representation |
---|---|
bin | 1100100010111… |
… | …01001001110010 |
3 | 21100000200222110 |
4 | 12101131021302 |
5 | 203420123104 |
6 | 14235350150 |
7 | 2415342456 |
oct | 621351162 |
9 | 240020873 |
10 | 105239154 |
11 | 5444a809 |
12 | 2b2b2356 |
13 | 18a593b7 |
14 | dd96666 |
15 | 938be89 |
hex | 645d272 |
105239154 has 16 divisors (see below), whose sum is σ = 211200192. Its totient is φ = 34959408.
The previous prime is 105239149. The next prime is 105239161. The reversal of 105239154 is 451932501.
It is a super-2 number, since 2×1052391542 = 22150559069271432, which contains 22 as substring.
It is a nialpdrome in base 14.
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 7 ways as a sum of consecutive naturals, for example, 28174 + ... + 31689.
It is an arithmetic number, because the mean of its divisors is an integer number (13200012).
Almost surely, 2105239154 is an apocalyptic number.
105239154 is an abundant number, since it is smaller than the sum of its proper divisors (105961038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105239154 is a wasteful number, since it uses less digits than its factorization.
105239154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60161.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 105239154 is about 10258.6136490269. The cubic root of 105239154 is about 472.1273027540.
The spelling of 105239154 in words is "one hundred five million, two hundred thirty-nine thousand, one hundred fifty-four".
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