Base | Representation |
---|---|
bin | 11101100100111… |
… | …00100100010100 |
3 | 122021212001101211 |
4 | 32302130210110 |
5 | 1002003331421 |
6 | 40341431204 |
7 | 6101600611 |
oct | 1662344424 |
9 | 567761354 |
10 | 248105236 |
11 | 11805a155 |
12 | 6b10b504 |
13 | 3c52b142 |
14 | 24d45508 |
15 | 16bac9e1 |
hex | ec9c914 |
248105236 has 12 divisors (see below), whose sum is σ = 434763028. Its totient is φ = 123887232.
The previous prime is 248105233. The next prime is 248105269. The reversal of 248105236 is 632501842.
It can be written as a sum of positive squares in 2 ways, for example, as 178382736 + 69722500 = 13356^2 + 8350^2 .
It is a junction number, because it is equal to n+sod(n) for n = 248105198 and 248105207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248105233) 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, 37941 + ... + 43996.
Almost surely, 2248105236 is an apocalyptic number.
It is an amenable number.
248105236 is a deficient number, since it is larger than the sum of its proper divisors (186657792).
248105236 is a wasteful number, since it uses less digits than its factorization.
248105236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82698 (or 82696 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 248105236 is about 15751.3566399850. The cubic root of 248105236 is about 628.3649852055.
The spelling of 248105236 in words is "two hundred forty-eight million, one hundred five thousand, two hundred thirty-six".
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