Base | Representation |
---|---|
bin | 1100100011010… |
… | …00101001101101 |
3 | 21100010002120212 |
4 | 12101220221231 |
5 | 203423130003 |
6 | 14240352205 |
7 | 2415630002 |
oct | 621505155 |
9 | 240102525 |
10 | 105286253 |
11 | 54482136 |
12 | 2b315665 |
13 | 18a74977 |
14 | dda98a9 |
15 | 939add8 |
hex | 6468a6d |
105286253 has 4 divisors (see below), whose sum is σ = 111479580. Its totient is φ = 99092928.
The previous prime is 105286229. The next prime is 105286273. The reversal of 105286253 is 352682501.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 38912644 + 66373609 = 6238^2 + 8147^2 .
It is a cyclic number.
It is not a de Polignac number, because 105286253 - 28 = 105285997 is a prime.
It is a super-2 number, since 2×1052862532 = 22170390141560018, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105286273) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 3096638 + ... + 3096671.
It is an arithmetic number, because the mean of its divisors is an integer number (27869895).
Almost surely, 2105286253 is an apocalyptic number.
It is an amenable number.
105286253 is a deficient number, since it is larger than the sum of its proper divisors (6193327).
105286253 is an equidigital number, since it uses as much as digits as its factorization.
105286253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6193326.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 105286253 is about 10260.9089753296. The cubic root of 105286253 is about 472.1977246028.
The spelling of 105286253 in words is "one hundred five million, two hundred eighty-six thousand, two hundred fifty-three".
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