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2066533 = 7295219
BaseRepresentation
bin111111000100001100101
310212222202021
413320201211
51012112113
6112143141
723364610
oct7704145
93788667
102066533
111191687
12837ab1
13574801
143bb177
152ac48d
hex1f8865

2066533 has 4 divisors (see below), whose sum is σ = 2361760. Its totient is φ = 1771308.

The previous prime is 2066521. The next prime is 2066539. The reversal of 2066533 is 3356602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3356602 = 21678301.

It is not a de Polignac number, because 2066533 - 25 = 2066501 is a prime.

It is a Duffinian number.

2066533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2066498 and 2066507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066539) 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, 147603 + ... + 147616.

It is an arithmetic number, because the mean of its divisors is an integer number (590440).

22066533 is an apocalyptic number.

It is an amenable number.

2066533 is a deficient number, since it is larger than the sum of its proper divisors (295227).

2066533 is an equidigital number, since it uses as much as digits as its factorization.

2066533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295226.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2066533 is about 1437.5440862805. The cubic root of 2066533 is about 127.3739982933.

The spelling of 2066533 in words is "two million, sixty-six thousand, five hundred thirty-three".

Divisors: 1 7 295219 2066533