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8025919 = 112331723
BaseRepresentation
bin11110100111011100111111
3120002202111021
4132213130333
54023312134
6444005011
7125135116
oct36473477
916082437
108025919
114591aa0
122830767
131880185
1410ccc7d
15a880b4
hex7a773f

8025919 has 8 divisors (see below), whose sum is σ = 9136512. Its totient is φ = 6978840.

The previous prime is 8025917. The next prime is 8025967. The reversal of 8025919 is 9195208.

8025919 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 8025919 - 21 = 8025917 is a prime.

It is a super-2 number, since 2×80259192 = 128830751589122, which contains 22 as substring.

8025919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8025917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15609 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (1142064).

Almost surely, 28025919 is an apocalyptic number.

8025919 is a deficient number, since it is larger than the sum of its proper divisors (1110593).

8025919 is a wasteful number, since it uses less digits than its factorization.

8025919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31757.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 8025919 is about 2833.0052947356. The cubic root of 8025919 is about 200.2157588236.

The spelling of 8025919 in words is "eight million, twenty-five thousand, nine hundred nineteen".

Divisors: 1 11 23 253 31723 348953 729629 8025919