Base | Representation |
---|---|
bin | 1000100111010101… |
… | …1111010000000001 |
3 | 12222011101011221111 |
4 | 2021311133100001 |
5 | 14214000001400 |
6 | 1021244523321 |
7 | 111206633110 |
oct | 21165372001 |
9 | 5864334844 |
10 | 2312500225 |
11 | a87389712 |
12 | 546550541 |
13 | 2ab130a39 |
14 | 17d1a3c77 |
15 | d80403ba |
hex | 89d5f401 |
2312500225 has 48 divisors (see below), whose sum is σ = 3550808448. Its totient is φ = 1457648640.
The previous prime is 2312500219. The next prime is 2312500237. The reversal of 2312500225 is 5220052132.
It is not a de Polignac number, because 2312500225 - 25 = 2312500193 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2312500196 and 2312500205.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118887 + ... + 136963.
It is an arithmetic number, because the mean of its divisors is an integer number (73975176).
Almost surely, 22312500225 is an apocalyptic number.
2312500225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2312500225 is a deficient number, since it is larger than the sum of its proper divisors (1238308223).
2312500225 is a wasteful number, since it uses less digits than its factorization.
2312500225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18154 (or 18149 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 2312500225 is about 48088.4624936169. The cubic root of 2312500225 is about 1322.3931610620.
Adding to 2312500225 its reverse (5220052132), we get a palindrome (7532552357).
The spelling of 2312500225 in words is "two billion, three hundred twelve million, five hundred thousand, two hundred twenty-five".
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