Base | Representation |
---|---|
bin | 1100100010111… |
… | …10101000111101 |
3 | 21100001000100001 |
4 | 12101132220331 |
5 | 203420321440 |
6 | 14235434301 |
7 | 2415366310 |
oct | 621365075 |
9 | 240030301 |
10 | 105245245 |
11 | 54454346 |
12 | 2b2b5991 |
13 | 18a5c0c1 |
14 | dd98977 |
15 | 938db9a |
hex | 645ea3d |
105245245 has 16 divisors (see below), whose sum is σ = 146079360. Its totient is φ = 71296704.
The previous prime is 105245243. The next prime is 105245299. The reversal of 105245245 is 542542501.
It is a cyclic number.
It is not a de Polignac number, because 105245245 - 21 = 105245243 is a prime.
It is a super-2 number, since 2×1052452452 = 22153123190220050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105245243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15210 + ... + 21019.
It is an arithmetic number, because the mean of its divisors is an integer number (9129960).
Almost surely, 2105245245 is an apocalyptic number.
It is an amenable number.
105245245 is a deficient number, since it is larger than the sum of its proper divisors (40834115).
105245245 is an equidigital number, since it uses as much as digits as its factorization.
105245245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36324.
The product of its (nonzero) digits is 8000, while the sum is 28.
The square root of 105245245 is about 10258.9105172041. The cubic root of 105245245 is about 472.1364111255.
Adding to 105245245 its reverse (542542501), we get a palindrome (647787746).
It can be divided in two parts, 105 and 245245, that added together give a triangular number (245350 = T700).
The spelling of 105245245 in words is "one hundred five million, two hundred forty-five thousand, two hundred forty-five".
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