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2132471 = 11193861
BaseRepresentation
bin1000001000100111110111
311000100012102
420020213313
51021214341
6113412315
724061055
oct10104767
94010172
102132471
111227180
1286a09b
13598823
143d71d5
152c1c9b
hex2089f7

2132471 has 4 divisors (see below), whose sum is σ = 2326344. Its totient is φ = 1938600.

The previous prime is 2132467. The next prime is 2132477. The reversal of 2132471 is 1742312.

2132471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2132471 - 22 = 2132467 is a prime.

It is a super-3 number, since 3×21324713 = 29091804213334569333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132477) 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 3 ways as a sum of consecutive naturals, for example, 96920 + ... + 96941.

It is an arithmetic number, because the mean of its divisors is an integer number (581586).

22132471 is an apocalyptic number.

2132471 is a deficient number, since it is larger than the sum of its proper divisors (193873).

2132471 is a wasteful number, since it uses less digits than its factorization.

2132471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193872.

The product of its digits is 336, while the sum is 20.

The square root of 2132471 is about 1460.2982572064. The cubic root of 2132471 is about 128.7145703248.

Adding to 2132471 its reverse (1742312), we get a palindrome (3874783).

The spelling of 2132471 in words is "two million, one hundred thirty-two thousand, four hundred seventy-one".

Divisors: 1 11 193861 2132471