Base | Representation |
---|---|
bin | 101010000111100010011 |
3 | 2121010011101 |
4 | 11100330103 |
5 | 323130430 |
6 | 45325231 |
7 | 14505442 |
oct | 5207423 |
9 | 2533141 |
10 | 1380115 |
11 | 8629a0 |
12 | 566817 |
13 | 394249 |
14 | 27cd59 |
15 | 1c3dca |
hex | 150f13 |
1380115 has 16 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 959200.
The previous prime is 1380083. The next prime is 1380149. The reversal of 1380115 is 5110831.
It is not a de Polignac number, because 1380115 - 25 = 1380083 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1380092 and 1380101.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 1810.
It is an arithmetic number, because the mean of its divisors is an integer number (117936).
21380115 is an apocalyptic number.
1380115 is a deficient number, since it is larger than the sum of its proper divisors (506861).
1380115 is a wasteful number, since it uses less digits than its factorization.
1380115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130.
The product of its (nonzero) digits is 120, while the sum is 19.
The square root of 1380115 is about 1174.7829586779. The cubic root of 1380115 is about 111.3367206670.
Adding to 1380115 its reverse (5110831), we get a palindrome (6490946).
The spelling of 1380115 in words is "one million, three hundred eighty thousand, one hundred fifteen".
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