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2068636 = 222771867
BaseRepresentation
bin111111001000010011100
310220002122011
413321002130
51012144021
6112201004
723404003
oct7710234
93802564
102068636
111193219
12839164
1357575b
143bbc3a
152acde1
hex1f909c

2068636 has 12 divisors (see below), whose sum is σ = 3635128. Its totient is φ = 1030032.

The previous prime is 2068607. The next prime is 2068637. The reversal of 2068636 is 6368602.

It is a junction number, because it is equal to n+sod(n) for n = 2068598 and 2068607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068637) 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, 175 + ... + 2041.

22068636 is an apocalyptic number.

It is an amenable number.

2068636 is a deficient number, since it is larger than the sum of its proper divisors (1566492).

2068636 is a wasteful number, since it uses less digits than its factorization.

2068636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2068636 is about 1438.2753561123. The cubic root of 2068636 is about 127.4171908780.

It can be divided in two parts, 2068 and 636, that added together give a square (2704 = 522).

The spelling of 2068636 in words is "two million, sixty-eight thousand, six hundred thirty-six".

Divisors: 1 2 4 277 554 1108 1867 3734 7468 517159 1034318 2068636