Search a number
-
+
2855284 = 221136317
BaseRepresentation
bin1010111001000101110100
312101001201021
422321011310
51212332114
6141110524
733161305
oct12710564
95331637
102855284
111680243
12b58444
1378c823
145447ac
153b6024
hex2b9174

2855284 has 12 divisors (see below), whose sum is σ = 5041764. Its totient is φ = 1414784.

The previous prime is 2855273. The next prime is 2855309. The reversal of 2855284 is 4825582.

2855284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 605284 + 2250000 = 778^2 + 1500^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2707 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (420147).

22855284 is an apocalyptic number.

It is an amenable number.

2855284 is a deficient number, since it is larger than the sum of its proper divisors (2186480).

2855284 is a wasteful number, since it uses less digits than its factorization.

2855284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434 (or 6432 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 2855284 is about 1689.7585626355. The cubic root of 2855284 is about 141.8675615007.

The spelling of 2855284 in words is "two million, eight hundred fifty-five thousand, two hundred eighty-four".

Divisors: 1 2 4 113 226 452 6317 12634 25268 713821 1427642 2855284