Base | Representation |
---|---|
bin | 101011011111010101001 |
3 | 2200101211012 |
4 | 11123322221 |
5 | 331100230 |
6 | 50313305 |
7 | 15053465 |
oct | 5337251 |
9 | 2611735 |
10 | 1425065 |
11 | 893744 |
12 | 588835 |
13 | 3ab845 |
14 | 2914a5 |
15 | 1d2395 |
hex | 15bea9 |
1425065 has 8 divisors (see below), whose sum is σ = 1718280. Its totient is φ = 1134592.
The previous prime is 1425049. The next prime is 1425071. The reversal of 1425065 is 5605241.
It can be written as a sum of positive squares in 4 ways, for example, as 143641 + 1281424 = 379^2 + 1132^2 .
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 1425065 - 24 = 1425049 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1425065.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 1839.
It is an arithmetic number, because the mean of its divisors is an integer number (214785).
21425065 is an apocalyptic number.
It is an amenable number.
1425065 is a deficient number, since it is larger than the sum of its proper divisors (293215).
1425065 is a wasteful number, since it uses less digits than its factorization.
1425065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1371.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1425065 is about 1193.7608638249. The cubic root of 1425065 is about 112.5325667033.
The spelling of 1425065 in words is "one million, four hundred twenty-five thousand, sixty-five".
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