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2130843 = 311134967
BaseRepresentation
bin1000001000001110011011
311000020222010
420020032123
51021141333
6113401003
724053241
oct10101633
94006863
102130843
111225a30
12869163
13597b70
143d6791
152c1563
hex20839b

2130843 has 16 divisors (see below), whose sum is σ = 3338496. Its totient is φ = 1191840.

The previous prime is 2130809. The next prime is 2130853. The reversal of 2130843 is 3480312.

It is a happy number.

It is not a de Polignac number, because 2130843 - 210 = 2129819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (208656).

22130843 is an apocalyptic number.

2130843 is a deficient number, since it is larger than the sum of its proper divisors (1207653).

2130843 is a wasteful number, since it uses less digits than its factorization.

2130843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2130843 is about 1459.7407304039. The cubic root of 2130843 is about 128.6818069768.

The spelling of 2130843 in words is "two million, one hundred thirty thousand, eight hundred forty-three".

Divisors: 1 3 11 13 33 39 143 429 4967 14901 54637 64571 163911 193713 710281 2130843