Base | Representation |
---|---|
bin | 11101111000101010101101 |
3 | 112202000121201 |
4 | 131320222231 |
5 | 4001144120 |
6 | 435525501 |
7 | 123406324 |
oct | 35705255 |
9 | 15660551 |
10 | 7834285 |
11 | 4471018 |
12 | 2759891 |
13 | 1813b94 |
14 | 107d0bb |
15 | a4b40a |
hex | 778aad |
7834285 has 4 divisors (see below), whose sum is σ = 9401148. Its totient is φ = 6267424.
The previous prime is 7834279. The next prime is 7834303. The reversal of 7834285 is 5824387.
7834285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5517801 + 2316484 = 2349^2 + 1522^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7834285 is a prime.
It is a super-2 number, since 2×78342852 = 122752042922450, which contains 22 as substring.
It is an Ulam number.
It is a d-powerful number, because it can be written as 75 + 8 + 314 + 410 + 25 + 85 + 59 .
It is a Duffinian number.
7834285 is a lucky number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783424 + ... + 783433.
It is an arithmetic number, because the mean of its divisors is an integer number (2350287).
Almost surely, 27834285 is an apocalyptic number.
It is an amenable number.
7834285 is a deficient number, since it is larger than the sum of its proper divisors (1566863).
7834285 is a wasteful number, since it uses less digits than its factorization.
7834285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1566862.
The product of its digits is 53760, while the sum is 37.
The square root of 7834285 is about 2798.9792782370. The cubic root of 7834285 is about 198.6093951670.
The spelling of 7834285 in words is "seven million, eight hundred thirty-four thousand, two hundred eighty-five".
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