Base | Representation |
---|---|
bin | 101010001000000111100 |
3 | 2121010120101 |
4 | 11101000330 |
5 | 323133122 |
6 | 45330444 |
7 | 14506345 |
oct | 5210074 |
9 | 2533511 |
10 | 1380412 |
11 | 863140 |
12 | 566a24 |
13 | 394417 |
14 | 27d0cc |
15 | 1c4027 |
hex | 15103c |
1380412 has 24 divisors (see below), whose sum is σ = 2666160. Its totient is φ = 620160.
The previous prime is 1380397. The next prime is 1380419. The reversal of 1380412 is 2140831.
It is a self number, because there is not a number n which added to its sum of digits gives 1380412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5914 + ... + 6142.
It is an arithmetic number, because the mean of its divisors is an integer number (111090).
21380412 is an apocalyptic number.
It is an amenable number.
1380412 is a deficient number, since it is larger than the sum of its proper divisors (1285748).
1380412 is a wasteful number, since it uses less digits than its factorization.
1380412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1380412 is about 1174.9093582060. The cubic root of 1380412 is about 111.3447066281.
The spelling of 1380412 in words is "one million, three hundred eighty thousand, four hundred twelve".
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