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2131033 = 3168743
BaseRepresentation
bin1000001000010001011001
311000021020011
420020101121
51021143113
6113401521
724053632
oct10102131
94007204
102131033
111226093
128692a1
13597c88
143d6889
152c163d
hex208459

2131033 has 4 divisors (see below), whose sum is σ = 2199808. Its totient is φ = 2062260.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131033 is 3301312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2131033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34341 + ... + 34402.

It is an arithmetic number, because the mean of its divisors is an integer number (549952).

22131033 is an apocalyptic number.

It is an amenable number.

2131033 is a deficient number, since it is larger than the sum of its proper divisors (68775).

2131033 is an equidigital number, since it uses as much as digits as its factorization.

2131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68774.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2131033 is about 1459.8058090034. The cubic root of 2131033 is about 128.6856315691.

Adding to 2131033 its reverse (3301312), we get a palindrome (5432345).

The spelling of 2131033 in words is "two million, one hundred thirty-one thousand, thirty-three".

Divisors: 1 31 68743 2131033