Base | Representation |
---|---|
bin | 10111100011101… |
… | …110100000001001 |
3 | 1000112201100101101 |
4 | 113203232200021 |
5 | 1302140211411 |
6 | 103115221401 |
7 | 12536332345 |
oct | 2743564011 |
9 | 1015640341 |
10 | 395241481 |
11 | 193115858 |
12 | b0447861 |
13 | 63b666cb |
14 | 3a6c6625 |
15 | 24a738c1 |
hex | 178ee809 |
395241481 has 2 divisors, whose sum is σ = 395241482. Its totient is φ = 395241480.
The previous prime is 395241463. The next prime is 395241523. The reversal of 395241481 is 184142593.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 348195600 + 47045881 = 18660^2 + 6859^2 .
It is a cyclic number.
It is not a de Polignac number, because 395241481 - 29 = 395240969 is a prime.
It is a super-2 number, since 2×3952414812 = 312431656606146722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 395241481.
It is not a weakly prime, because it can be changed into another prime (395241461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197620740 + 197620741.
It is an arithmetic number, because the mean of its divisors is an integer number (197620741).
Almost surely, 2395241481 is an apocalyptic number.
It is an amenable number.
395241481 is a deficient number, since it is larger than the sum of its proper divisors (1).
395241481 is an equidigital number, since it uses as much as digits as its factorization.
395241481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 34560, while the sum is 37.
The square root of 395241481 is about 19880.6811000026. The cubic root of 395241481 is about 733.8728808708.
The spelling of 395241481 in words is "three hundred ninety-five million, two hundred forty-one thousand, four hundred eighty-one".
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