Base | Representation |
---|---|
bin | 111011100101… |
… | …1010010001001 |
3 | 2011210020002011 |
4 | 1313023102021 |
5 | 30444210403 |
6 | 3033335521 |
7 | 526355443 |
oct | 167132211 |
9 | 64706064 |
10 | 31241353 |
11 | 166a9100 |
12 | a5675a1 |
13 | 661b010 |
14 | 4213493 |
15 | 2b21a6d |
hex | 1dcb489 |
31241353 has 12 divisors (see below), whose sum is σ = 36983044. Its totient is φ = 26215200.
The previous prime is 31241351. The next prime is 31241369. The reversal of 31241353 is 35314213.
It can be written as a sum of positive squares in 2 ways, for example, as 1951609 + 29289744 = 1397^2 + 5412^2 .
It is not a de Polignac number, because 31241353 - 21 = 31241351 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31241351) 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 11 ways as a sum of consecutive naturals, for example, 8358 + ... + 11503.
Almost surely, 231241353 is an apocalyptic number.
It is an amenable number.
31241353 is a deficient number, since it is larger than the sum of its proper divisors (5741691).
31241353 is a wasteful number, since it uses less digits than its factorization.
31241353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19896 (or 19885 counting only the distinct ones).
The product of its digits is 1080, while the sum is 22.
The square root of 31241353 is about 5589.3964790485. The cubic root of 31241353 is about 314.9512076942.
Adding to 31241353 its reverse (35314213), we get a palindrome (66555566).
The spelling of 31241353 in words is "thirty-one million, two hundred forty-one thousand, three hundred fifty-three".
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