Base | Representation |
---|---|
bin | 1000100111011010… |
… | …0110000011010001 |
3 | 12222011220220202020 |
4 | 2021312212003101 |
5 | 14214033241400 |
6 | 1021255042053 |
7 | 111212251434 |
oct | 21166460321 |
9 | 5864826666 |
10 | 2312790225 |
11 | a87567589 |
12 | 546670329 |
13 | 2ab202a35 |
14 | 17d23b81b |
15 | d809b2a0 |
hex | 89da60d1 |
2312790225 has 12 divisors (see below), whose sum is σ = 3823813296. Its totient is φ = 1233488080.
The previous prime is 2312790199. The next prime is 2312790229. The reversal of 2312790225 is 5220972132.
It is not a de Polignac number, because 2312790225 - 225 = 2279235793 is a prime.
It is a super-3 number, since 3×23127902253 (a number of 29 digits) contains 333 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2312790229) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15418527 + ... + 15418676.
It is an arithmetic number, because the mean of its divisors is an integer number (318651108).
Almost surely, 22312790225 is an apocalyptic number.
2312790225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2312790225 is a deficient number, since it is larger than the sum of its proper divisors (1511023071).
2312790225 is a wasteful number, since it uses less digits than its factorization.
2312790225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30837216 (or 30837211 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 2312790225 is about 48091.4776753636. The cubic root of 2312790225 is about 1322.4484371628.
The spelling of 2312790225 in words is "two billion, three hundred twelve million, seven hundred ninety thousand, two hundred twenty-five".
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