Base | Representation |
---|---|
bin | 11001101010101… |
… | …10111011001101 |
3 | 120000011002110020 |
4 | 30311112323031 |
5 | 420110023000 |
6 | 33210532353 |
7 | 5223065655 |
oct | 1465267315 |
9 | 500132406 |
10 | 215314125 |
11 | 1005a2764 |
12 | 601370b9 |
13 | 357b9910 |
14 | 2084b365 |
15 | 13d81ba0 |
hex | cd56ecd |
215314125 has 64 divisors (see below), whose sum is σ = 399409920. Its totient is φ = 102278400.
The previous prime is 215314093. The next prime is 215314133. The reversal of 215314125 is 521413512.
It is a happy number.
It is not a de Polignac number, because 215314125 - 25 = 215314093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 215314095 and 215314104.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140614 + ... + 142136.
It is an arithmetic number, because the mean of its divisors is an integer number (6240780).
Almost surely, 2215314125 is an apocalyptic number.
215314125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
215314125 is a deficient number, since it is larger than the sum of its proper divisors (184095795).
215314125 is a wasteful number, since it uses less digits than its factorization.
215314125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583 (or 1573 counting only the distinct ones).
The product of its digits is 1200, while the sum is 24.
The square root of 215314125 is about 14673.5859625383. The cubic root of 215314125 is about 599.3642571786.
Adding to 215314125 its reverse (521413512), we get a palindrome (736727637).
The spelling of 215314125 in words is "two hundred fifteen million, three hundred fourteen thousand, one hundred twenty-five".
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