Base | Representation |
---|---|
bin | 101010010101001110110 |
3 | 2121110210001 |
4 | 11102221312 |
5 | 323342001 |
6 | 45421514 |
7 | 14535046 |
oct | 5225166 |
9 | 2543701 |
10 | 1387126 |
11 | 868194 |
12 | 56a89a |
13 | 3974b0 |
14 | 281726 |
15 | 1c6001 |
hex | 152a76 |
1387126 has 16 divisors (see below), whose sum is σ = 2314368. Its totient is φ = 619200.
The previous prime is 1387123. The next prime is 1387129. The reversal of 1387126 is 6217831.
It is an interprime number because it is at equal distance from previous prime (1387123) and next prime (1387129).
It is a junction number, because it is equal to n+sod(n) for n = 1387094 and 1387103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1387121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 1666.
It is an arithmetic number, because the mean of its divisors is an integer number (144648).
21387126 is an apocalyptic number.
1387126 is a deficient number, since it is larger than the sum of its proper divisors (927242).
1387126 is a wasteful number, since it uses less digits than its factorization.
1387126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767.
The product of its digits is 2016, while the sum is 28.
The square root of 1387126 is about 1177.7631340809. The cubic root of 1387126 is about 111.5249329242.
The spelling of 1387126 in words is "one million, three hundred eighty-seven thousand, one hundred twenty-six".
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