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2868830 = 25614703
BaseRepresentation
bin1010111100011001011110
312101202021222
422330121132
51213300310
6141253342
733245636
oct12743136
95352258
102868830
11168a438
12b64252
13795a43
145496c6
153ba055
hex2bc65e

2868830 has 16 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 1128480.

The previous prime is 2868823. The next prime is 2868851. The reversal of 2868830 is 388682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

22868830 is an apocalyptic number.

2868830 is a deficient number, since it is larger than the sum of its proper divisors (2380834).

2868830 is a wasteful number, since it uses less digits than its factorization.

2868830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2868830 is about 1693.7620848277. The cubic root of 2868830 is about 142.0915563754.

The spelling of 2868830 in words is "two million, eight hundred sixty-eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 4703 9406 23515 47030 286883 573766 1434415 2868830