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8052505 = 51610501
BaseRepresentation
bin11110101101111100011001
3120011002221221
4132231330121
54030140010
6444332041
7125305456
oct36557431
916132857
108052505
1145aaa6a
122844021
13188c2c6
1410d882d
15a90dda
hex7adf19

8052505 has 4 divisors (see below), whose sum is σ = 9663012. Its totient is φ = 6442000.

The previous prime is 8052491. The next prime is 8052511. The reversal of 8052505 is 5052508.

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 3968064 + 4084441 = 1992^2 + 2021^2 .

It is not a de Polignac number, because 8052505 - 211 = 8050457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8052505.

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, 805246 + ... + 805255.

It is an arithmetic number, because the mean of its divisors is an integer number (2415753).

Almost surely, 28052505 is an apocalyptic number.

It is an amenable number.

8052505 is a deficient number, since it is larger than the sum of its proper divisors (1610507).

8052505 is a wasteful number, since it uses less digits than its factorization.

8052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610506.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 8052505 is about 2837.6936057298. The cubic root of 8052505 is about 200.4365879281.

The spelling of 8052505 in words is "eight million, fifty-two thousand, five hundred five".

Divisors: 1 5 1610501 8052505