Base | Representation |
---|---|
bin | 10010110001110… |
… | …101100010101001 |
3 | 210221211102011220 |
4 | 102301311202221 |
5 | 1121123213444 |
6 | 51132412253 |
7 | 10543626336 |
oct | 2261654251 |
9 | 727742156 |
10 | 315054249 |
11 | 151926a14 |
12 | 89617089 |
13 | 5036c043 |
14 | 2dbb198d |
15 | 1c9d4619 |
hex | 12c758a9 |
315054249 has 16 divisors (see below), whose sum is σ = 434115264. Its totient is φ = 203112000.
The previous prime is 315054247. The next prime is 315054269. The reversal of 315054249 is 942450513.
It is not a de Polignac number, because 315054249 - 21 = 315054247 is a prime.
It is not an unprimeable number, because it can be changed into a prime (315054241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939 + ... + 25119.
It is an arithmetic number, because the mean of its divisors is an integer number (27132204).
Almost surely, 2315054249 is an apocalyptic number.
It is an amenable number.
315054249 is a deficient number, since it is larger than the sum of its proper divisors (119061015).
315054249 is a wasteful number, since it uses less digits than its factorization.
315054249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24328.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 315054249 is about 17749.7675759431. The cubic root of 315054249 is about 680.4482691621.
The spelling of 315054249 in words is "three hundred fifteen million, fifty-four thousand, two hundred forty-nine".
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