Base | Representation |
---|---|
bin | 101010100101011110010 |
3 | 2121220012001 |
4 | 11110223302 |
5 | 324123232 |
6 | 45524214 |
7 | 14601226 |
oct | 5245362 |
9 | 2556161 |
10 | 1395442 |
11 | 873464 |
12 | 57366a |
13 | 39b209 |
14 | 284786 |
15 | 1c86e7 |
hex | 154af2 |
1395442 has 8 divisors (see below), whose sum is σ = 2115036. Its totient is φ = 690432.
The previous prime is 1395439. The next prime is 1395463. The reversal of 1395442 is 2445931.
It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 116281 = 1131^2 + 341^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a d-powerful number, because it can be written as 1 + 3 + 94 + 57 + 49 + 410 + 25 .
It is a self number, because there is not a number n which added to its sum of digits gives 1395442.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 3403 + ... + 3790.
21395442 is an apocalyptic number.
1395442 is a deficient number, since it is larger than the sum of its proper divisors (719594).
1395442 is an equidigital number, since it uses as much as digits as its factorization.
1395442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7292.
The product of its digits is 4320, while the sum is 28.
The square root of 1395442 is about 1181.2882798030. The cubic root of 1395442 is about 111.7473578310.
The spelling of 1395442 in words is "one million, three hundred ninety-five thousand, four hundred forty-two".
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