Base | Representation |
---|---|
bin | 101010010010110101001 |
3 | 2121102002112 |
4 | 11102112221 |
5 | 323322042 |
6 | 45412105 |
7 | 14531342 |
oct | 5222651 |
9 | 2542075 |
10 | 1385897 |
11 | 867277 |
12 | 56a035 |
13 | 396a76 |
14 | 2810c9 |
15 | 1c5982 |
hex | 1525a9 |
1385897 has 8 divisors (see below), whose sum is σ = 1434240. Its totient is φ = 1338480.
The previous prime is 1385893. The next prime is 1385899. The reversal of 1385897 is 7985831.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1385897 - 22 = 1385893 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1385893) 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, 4022 + ... + 4352.
It is an arithmetic number, because the mean of its divisors is an integer number (179280).
21385897 is an apocalyptic number.
It is an amenable number.
1385897 is a deficient number, since it is larger than the sum of its proper divisors (48343).
1385897 is an equidigital number, since it uses as much as digits as its factorization.
1385897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463.
The product of its digits is 60480, while the sum is 41.
The square root of 1385897 is about 1177.2412666909. The cubic root of 1385897 is about 111.4919859912.
The spelling of 1385897 in words is "one million, three hundred eighty-five thousand, eight hundred ninety-seven".
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