Base | Representation |
---|---|
bin | 10010110010100… |
… | …100101010100101 |
3 | 210222012012221210 |
4 | 102302210222211 |
5 | 1121200403034 |
6 | 51140502033 |
7 | 10545362151 |
oct | 2262445245 |
9 | 728165853 |
10 | 315247269 |
11 | 151a48a37 |
12 | 896aa919 |
13 | 50408b5c |
14 | 2dc22061 |
15 | 1ca218e9 |
hex | 12ca4aa5 |
315247269 has 24 divisors (see below), whose sum is σ = 465952320. Its totient is φ = 189190144.
The previous prime is 315247253. The next prime is 315247301. The reversal of 315247269 is 962742513.
It is not a de Polignac number, because 315247269 - 24 = 315247253 is a prime.
It is a super-2 number, since 2×3152472692 = 198761681223916722, which contains 22 as substring.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315247169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12037 + ... + 27845.
It is an arithmetic number, because the mean of its divisors is an integer number (19414680).
Almost surely, 2315247269 is an apocalyptic number.
It is an amenable number.
315247269 is a deficient number, since it is larger than the sum of its proper divisors (150705051).
315247269 is a wasteful number, since it uses less digits than its factorization.
315247269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15869 (or 15852 counting only the distinct ones).
The product of its digits is 90720, while the sum is 39.
The square root of 315247269 is about 17755.2039977016. The cubic root of 315247269 is about 680.5872011210.
The spelling of 315247269 in words is "three hundred fifteen million, two hundred forty-seven thousand, two hundred sixty-nine".
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