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8025385 = 52117607
BaseRepresentation
bin11110100111010100101001
3120002201202111
4132213110221
54023303020
6444002321
7125133424
oct36472451
916081674
108025385
114591655
1228303a1
13187cb64
1410cc9bb
15a87d5a
hex7a7529

8025385 has 8 divisors (see below), whose sum is σ = 9677376. Its totient is φ = 6389040.

The previous prime is 8025379. The next prime is 8025389. The reversal of 8025385 is 5835208.

8025385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8025385 - 29 = 8024873 is a prime.

It is a Duffinian number.

8025385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8025389) by changing a digit.

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, 2749 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (1209672).

Almost surely, 28025385 is an apocalyptic number.

It is an amenable number.

8025385 is a deficient number, since it is larger than the sum of its proper divisors (1651991).

8025385 is a wasteful number, since it uses less digits than its factorization.

8025385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 8025385 is about 2832.9110469621. The cubic root of 8025385 is about 200.2113183109.

The spelling of 8025385 in words is "eight million, twenty-five thousand, three hundred eighty-five".

Divisors: 1 5 211 1055 7607 38035 1605077 8025385