Base | Representation |
---|---|
bin | 101010010010011110001 |
3 | 2121101211201 |
4 | 11102103301 |
5 | 323320323 |
6 | 45411201 |
7 | 14530660 |
oct | 5222361 |
9 | 2541751 |
10 | 1385713 |
11 | 86711a |
12 | 569b01 |
13 | 396964 |
14 | 280dd7 |
15 | 1c58ad |
hex | 1524f1 |
1385713 has 4 divisors (see below), whose sum is σ = 1583680. Its totient is φ = 1187748.
The previous prime is 1385693. The next prime is 1385743. The reversal of 1385713 is 3175831.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3175831 = 19 ⋅167149.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1385713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1385743) 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, 98973 + ... + 98986.
It is an arithmetic number, because the mean of its divisors is an integer number (395920).
21385713 is an apocalyptic number.
It is an amenable number.
1385713 is a deficient number, since it is larger than the sum of its proper divisors (197967).
1385713 is an equidigital number, since it uses as much as digits as its factorization.
1385713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197966.
The product of its digits is 2520, while the sum is 28.
The square root of 1385713 is about 1177.1631152903. The cubic root of 1385713 is about 111.4870516579.
The spelling of 1385713 in words is "one million, three hundred eighty-five thousand, seven hundred thirteen".
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