Base | Representation |
---|---|
bin | 10111100011101… |
… | …100010000001101 |
3 | 1000112200212202012 |
4 | 113203230100031 |
5 | 1302134413034 |
6 | 103115111005 |
7 | 12536263445 |
oct | 2743542015 |
9 | 1015625665 |
10 | 395232269 |
11 | 193109943 |
12 | b0442465 |
13 | 63b62463 |
14 | 3a6c3125 |
15 | 24a70cce |
hex | 178ec40d |
395232269 has 4 divisors (see below), whose sum is σ = 418481244. Its totient is φ = 371983296.
The previous prime is 395232247. The next prime is 395232287. The reversal of 395232269 is 962232593.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 354757225 + 40475044 = 18835^2 + 6362^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-395232269 is a prime.
It is a super-2 number, since 2×3952322692 = 312417092917776722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395232239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11624462 + ... + 11624495.
It is an arithmetic number, because the mean of its divisors is an integer number (104620311).
Almost surely, 2395232269 is an apocalyptic number.
It is an amenable number.
395232269 is a deficient number, since it is larger than the sum of its proper divisors (23248975).
395232269 is a wasteful number, since it uses less digits than its factorization.
395232269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23248974.
The product of its digits is 174960, while the sum is 41.
The square root of 395232269 is about 19880.4494164493. The cubic root of 395232269 is about 733.8671793020.
The spelling of 395232269 in words is "three hundred ninety-five million, two hundred thirty-two thousand, two hundred sixty-nine".
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