Base | Representation |
---|---|
bin | 101010001000000010000 |
3 | 2121010111202 |
4 | 11101000100 |
5 | 323132433 |
6 | 45330332 |
7 | 14506253 |
oct | 5210020 |
9 | 2533452 |
10 | 1380368 |
11 | 863100 |
12 | 5669a8 |
13 | 3943b2 |
14 | 27d09a |
15 | 1c3ee8 |
hex | 151010 |
1380368 has 60 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 580800.
The previous prime is 1380341. The next prime is 1380377. The reversal of 1380368 is 8630831.
It is an Ulam number.
It is a nialpdrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 1380368.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44513 + ... + 44543.
21380368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1380368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583232).
1380368 is an abundant number, since it is smaller than the sum of its proper divisors (1786096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380368 is a wasteful number, since it uses less digits than its factorization.
1380368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 1380368 is about 1174.8906332080. The cubic root of 1380368 is about 111.3435235951.
The spelling of 1380368 in words is "one million, three hundred eighty thousand, three hundred sixty-eight".
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