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2831894 = 2131743149
BaseRepresentation
bin1010110011011000010110
312022212121222
422303120112
51211110034
6140410342
733033152
oct12633026
95285558
102831894
11166470a
12b469b2
13781ca0
1453a062
153ae12e
hex2b3616

2831894 has 32 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 1193472.

The previous prime is 2831863. The next prime is 2831903. The reversal of 2831894 is 4981382.

It is a happy number.

2831894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 18932 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (155925).

22831894 is an apocalyptic number.

2831894 is a deficient number, since it is larger than the sum of its proper divisors (2157706).

2831894 is a wasteful number, since it uses less digits than its factorization.

2831894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its digits is 13824, while the sum is 35.

The square root of 2831894 is about 1682.8232230392. The cubic root of 2831894 is about 141.4791138996.

The spelling of 2831894 in words is "two million, eight hundred thirty-one thousand, eight hundred ninety-four".

Divisors: 1 2 13 17 26 34 43 86 149 221 298 442 559 731 1118 1462 1937 2533 3874 5066 6407 9503 12814 19006 32929 65858 83291 108919 166582 217838 1415947 2831894