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2143070 = 25415227
BaseRepresentation
bin1000001011001101011110
311000212201222
420023031132
51022034240
6113533342
724134006
oct10131536
94025658
102143070
111234136
12874252
135a05b7
143db006
152c4eb5
hex20b35e

2143070 has 16 divisors (see below), whose sum is σ = 3952368. Its totient is φ = 836160.

The previous prime is 2143069. The next prime is 2143073. The reversal of 2143070 is 703412.

It is a happy number.

2143070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2204 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (247023).

22143070 is an apocalyptic number.

2143070 is a deficient number, since it is larger than the sum of its proper divisors (1809298).

2143070 is a wasteful number, since it uses less digits than its factorization.

2143070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2143070 is about 1463.9228121728. The cubic root of 2143070 is about 128.9274675880.

Adding to 2143070 its reverse (703412), we get a palindrome (2846482).

The spelling of 2143070 in words is "two million, one hundred forty-three thousand, seventy".

Divisors: 1 2 5 10 41 82 205 410 5227 10454 26135 52270 214307 428614 1071535 2143070