Base | Representation |
---|---|
bin | 100000111110001000100 |
3 | 2000220000101 |
4 | 10013301010 |
5 | 234033023 |
6 | 35053444 |
7 | 12116551 |
oct | 4076104 |
9 | 2026011 |
10 | 1080388 |
11 | 678791 |
12 | 441284 |
13 | 2ba9aa |
14 | 201a28 |
15 | 1651ad |
hex | 107c44 |
1080388 has 6 divisors (see below), whose sum is σ = 1890686. Its totient is φ = 540192.
The previous prime is 1080383. The next prime is 1080413. The reversal of 1080388 is 8830801.
It can be written as a sum of positive squares in only one way, i.e., 956484 + 123904 = 978^2 + 352^2 .
It is not an unprimeable number, because it can be changed into a prime (1080383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135045 + ... + 135052.
21080388 is an apocalyptic number.
It is an amenable number.
1080388 is a deficient number, since it is larger than the sum of its proper divisors (810298).
1080388 is a wasteful number, since it uses less digits than its factorization.
1080388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270101 (or 270099 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 1080388 is about 1039.4171443651. The cubic root of 1080388 is about 102.6108418234.
The spelling of 1080388 in words is "one million, eighty thousand, three hundred eighty-eight".
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