Base | Representation |
---|---|
bin | 101010010001110101010 |
3 | 2121101101121 |
4 | 11102032222 |
5 | 323313021 |
6 | 45405454 |
7 | 14530012 |
oct | 5221652 |
9 | 2541347 |
10 | 1385386 |
11 | 866952 |
12 | 56988a |
13 | 396772 |
14 | 280c42 |
15 | 1c5741 |
hex | 1523aa |
1385386 has 8 divisors (see below), whose sum is σ = 2083140. Its totient is φ = 691008.
The previous prime is 1385383. The next prime is 1385387. The reversal of 1385386 is 6835831.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 4761 = 1175^2 + 69^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1385383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930 + ... + 1906.
21385386 is an apocalyptic number.
1385386 is a deficient number, since it is larger than the sum of its proper divisors (697754).
1385386 is an equidigital number, since it uses as much as digits as its factorization.
1385386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1688.
The product of its digits is 17280, while the sum is 34.
The square root of 1385386 is about 1177.0242138546. The cubic root of 1385386 is about 111.4782814113.
It can be divided in two parts, 1385 and 386, that added together give a palindrome (1771).
The spelling of 1385386 in words is "one million, three hundred eighty-five thousand, three hundred eighty-six".
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