Base | Representation |
---|---|
bin | 101010010111000010000 |
3 | 2121112001012 |
4 | 11102320100 |
5 | 323404143 |
6 | 45430052 |
7 | 14540534 |
oct | 5227020 |
9 | 2545035 |
10 | 1388048 |
11 | 868952 |
12 | 56b328 |
13 | 397a3c |
14 | 281bc4 |
15 | 1c6418 |
hex | 152e10 |
1388048 has 10 divisors (see below), whose sum is σ = 2689374. Its totient is φ = 694016.
The previous prime is 1388041. The next prime is 1388053. The reversal of 1388048 is 8408831.
It can be written as a sum of positive squares in only one way, i.e., 1183744 + 204304 = 1088^2 + 452^2 .
It is not an unprimeable number, because it can be changed into a prime (1388041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43361 + ... + 43392.
21388048 is an apocalyptic number.
It is an amenable number.
1388048 is a deficient number, since it is larger than the sum of its proper divisors (1301326).
1388048 is an equidigital number, since it uses as much as digits as its factorization.
1388048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86761 (or 86755 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 1388048 is about 1178.1544890209. The cubic root of 1388048 is about 111.5496370521.
The spelling of 1388048 in words is "one million, three hundred eighty-eight thousand, forty-eight".
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