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2816125 = 53131733
BaseRepresentation
bin1010101111100001111101
312022001222221
422233201331
51210104000
6140205341
732636164
oct12574175
95261887
102816125
111653884
12b39851
13777a60
145343db
153a961a
hex2af87d

2816125 has 16 divisors (see below), whose sum is σ = 3787056. Its totient is φ = 2078400.

The previous prime is 2816089. The next prime is 2816131. The reversal of 2816125 is 5216182.

It can be written as a sum of positive squares in 8 ways, for example, as 1530169 + 1285956 = 1237^2 + 1134^2 .

It is not a de Polignac number, because 2816125 - 27 = 2815997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2816125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (236691).

22816125 is an apocalyptic number.

2816125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2816125 is a deficient number, since it is larger than the sum of its proper divisors (970931).

2816125 is a wasteful number, since it uses less digits than its factorization.

2816125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1751 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 2816125 is about 1678.1314012913. The cubic root of 2816125 is about 141.2160228402.

The spelling of 2816125 in words is "two million, eight hundred sixteen thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 1733 8665 22529 43325 112645 216625 563225 2816125