Base | Representation |
---|---|
bin | 1000101000000000… |
… | …0101011110100001 |
3 | 12222100121022122222 |
4 | 2022000011132201 |
5 | 14220202400431 |
6 | 1021424240425 |
7 | 111242353223 |
oct | 21200053641 |
9 | 5870538588 |
10 | 2315278241 |
11 | a88a068a1 |
12 | 547470115 |
13 | 2ab894333 |
14 | 17d6c8413 |
15 | d83dd57b |
hex | 8a0057a1 |
2315278241 has 8 divisors (see below), whose sum is σ = 2410632168. Its totient is φ = 2221776000.
The previous prime is 2315278223. The next prime is 2315278253. The reversal of 2315278241 is 1428725132.
It can be written as a sum of positive squares in 4 ways, for example, as 11662225 + 2303616016 = 3415^2 + 47996^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2315278241 - 222 = 2311083937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2315278211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460370 + ... + 465371.
It is an arithmetic number, because the mean of its divisors is an integer number (301329021).
Almost surely, 22315278241 is an apocalyptic number.
It is an amenable number.
2315278241 is a deficient number, since it is larger than the sum of its proper divisors (95353927).
2315278241 is an equidigital number, since it uses as much as digits as its factorization.
2315278241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925843.
The product of its digits is 26880, while the sum is 35.
The square root of 2315278241 is about 48117.3382576385. The cubic root of 2315278241 is about 1322.9224812688.
The spelling of 2315278241 in words is "two billion, three hundred fifteen million, two hundred seventy-eight thousand, two hundred forty-one".
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