Base | Representation |
---|---|
bin | 101001001001010… |
… | …0110100110111001 |
3 | 10120012212011201222 |
4 | 1102102212212321 |
5 | 10311413432231 |
6 | 344555121425 |
7 | 46132656332 |
oct | 12222464671 |
9 | 3505764658 |
10 | 1380608441 |
11 | 649354613 |
12 | 326443275 |
13 | 19004c294 |
14 | d1505289 |
15 | 8131427b |
hex | 524a69b9 |
1380608441 has 2 divisors, whose sum is σ = 1380608442. Its totient is φ = 1380608440.
The previous prime is 1380608431. The next prime is 1380608447. The reversal of 1380608441 is 1448060831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1130304400 + 250304041 = 33620^2 + 15821^2 .
It is a cyclic number.
It is not a de Polignac number, because 1380608441 - 26 = 1380608377 is a prime.
It is a super-3 number, since 3×13806084413 (a number of 28 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1380608447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690304220 + 690304221.
It is an arithmetic number, because the mean of its divisors is an integer number (690304221).
Almost surely, 21380608441 is an apocalyptic number.
It is an amenable number.
1380608441 is a deficient number, since it is larger than the sum of its proper divisors (1).
1380608441 is an equidigital number, since it uses as much as digits as its factorization.
1380608441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 1380608441 is about 37156.5396801155. The cubic root of 1380608441 is about 1113.4998805330.
The spelling of 1380608441 in words is "one billion, three hundred eighty million, six hundred eight thousand, four hundred forty-one".
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