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2132723 = 18111783
BaseRepresentation
bin1000001000101011110011
311000100112202
420020223303
51021221343
6113413415
724061565
oct10105363
94010482
102132723
11122738a
1286a26b
13598988
143d7335
152c1db8
hex208af3

2132723 has 4 divisors (see below), whose sum is σ = 2144688. Its totient is φ = 2120760.

The previous prime is 2132699. The next prime is 2132749. The reversal of 2132723 is 3272312.

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 2132723 - 26 = 2132659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132695 and 2132704.

It is not an unprimeable number, because it can be changed into a prime (2132783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5711 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (536172).

22132723 is an apocalyptic number.

2132723 is a deficient number, since it is larger than the sum of its proper divisors (11965).

2132723 is a wasteful number, since it uses less digits than its factorization.

2132723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964.

The product of its digits is 504, while the sum is 20.

The square root of 2132723 is about 1460.3845384008. The cubic root of 2132723 is about 128.7196403108.

The spelling of 2132723 in words is "two million, one hundred thirty-two thousand, seven hundred twenty-three".

Divisors: 1 181 11783 2132723