Base | Representation |
---|---|
bin | 101010001000111101001 |
3 | 2121011011021 |
4 | 11101013221 |
5 | 323141331 |
6 | 45332441 |
7 | 14510530 |
oct | 5210751 |
9 | 2534137 |
10 | 1380841 |
11 | 8634a0 |
12 | 567121 |
13 | 394687 |
14 | 27d317 |
15 | 1c4211 |
hex | 1511e9 |
1380841 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 1057680.
The previous prime is 1380817. The next prime is 1380853. The reversal of 1380841 is 1480831.
It is a cyclic number.
It is not a de Polignac number, because 1380841 - 29 = 1380329 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 6196.
It is an arithmetic number, because the mean of its divisors is an integer number (109440).
21380841 is an apocalyptic number.
1380841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1380841 is a deficient number, since it is larger than the sum of its proper divisors (370199).
1380841 is a wasteful number, since it uses less digits than its factorization.
1380841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324.
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 1380841 is about 1175.0919112989. The cubic root of 1380841 is about 111.3562398833.
The spelling of 1380841 in words is "one million, three hundred eighty thousand, eight hundred forty-one".
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