Base | Representation |
---|---|
bin | 10010011111000… |
… | …101110010001101 |
3 | 210121120202011100 |
4 | 102133011302031 |
5 | 1113343440140 |
6 | 50435213313 |
7 | 10454101245 |
oct | 2237056215 |
9 | 717522140 |
10 | 310140045 |
11 | 14a07a896 |
12 | 87a47239 |
13 | 4c33b327 |
14 | 2d292b25 |
15 | 1c363530 |
hex | 127c5c8d |
310140045 has 12 divisors (see below), whose sum is σ = 537576156. Its totient is φ = 165408000.
The previous prime is 310140001. The next prime is 310140067. The reversal of 310140045 is 540041013.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 180794916 + 129345129 = 13446^2 + 11373^2 .
It is not a de Polignac number, because 310140045 - 214 = 310123661 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3445956 + ... + 3446045.
It is an arithmetic number, because the mean of its divisors is an integer number (44798013).
Almost surely, 2310140045 is an apocalyptic number.
It is an amenable number.
310140045 is a deficient number, since it is larger than the sum of its proper divisors (227436111).
310140045 is a wasteful number, since it uses less digits than its factorization.
310140045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6892012 (or 6892009 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 310140045 is about 17610.7934233526. The cubic root of 310140045 is about 676.8918449728.
Adding to 310140045 its reverse (540041013), we get a palindrome (850181058).
The spelling of 310140045 in words is "three hundred ten million, one hundred forty thousand, forty-five".
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