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8053385 = 53175081
BaseRepresentation
bin11110101110001010001001
3120011011011112
4132232022021
54030202020
6444340105
7125311154
oct36561211
916134145
108053385
11460069a
122844635
13188c822
1410d8c9b
15a912c5
hex7ae289

8053385 has 8 divisors (see below), whose sum is σ = 9696456. Its totient is φ = 6421120.

The previous prime is 8053379. The next prime is 8053399. The reversal of 8053385 is 5833508.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 7862416 = 437^2 + 2804^2 .

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

It is not a de Polignac number, because 8053385 - 24 = 8053369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (1212057).

Almost surely, 28053385 is an apocalyptic number.

It is an amenable number.

8053385 is a deficient number, since it is larger than the sum of its proper divisors (1643071).

8053385 is a wasteful number, since it uses less digits than its factorization.

8053385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 8053385 is about 2837.8486569935. The cubic root of 8053385 is about 200.4438890836.

The spelling of 8053385 in words is "eight million, fifty-three thousand, three hundred eighty-five".

Divisors: 1 5 317 1585 5081 25405 1610677 8053385