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8026285 = 51605257
BaseRepresentation
bin11110100111100010101101
3120002202222211
4132213202231
54023320120
6444010421
7125136151
oct36474255
916082884
108026285
1145922a3
122830a11
1318803a7
1410cd061
15a8825a
hex7a78ad

8026285 has 4 divisors (see below), whose sum is σ = 9631548. Its totient is φ = 6421024.

The previous prime is 8026253. The next prime is 8026289. The reversal of 8026285 is 5826208.

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 3674889 + 4351396 = 1917^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 8026285 - 25 = 8026253 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8026289) 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, 802624 + ... + 802633.

It is an arithmetic number, because the mean of its divisors is an integer number (2407887).

Almost surely, 28026285 is an apocalyptic number.

It is an amenable number.

8026285 is a deficient number, since it is larger than the sum of its proper divisors (1605263).

8026285 is a wasteful number, since it uses less digits than its factorization.

8026285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605262.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8026285 is about 2833.0698897133. The cubic root of 8026285 is about 200.2188022073.

The spelling of 8026285 in words is "eight million, twenty-six thousand, two hundred eighty-five".

Divisors: 1 5 1605257 8026285