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2040650 = 25240813
BaseRepresentation
bin111110010001101001010
310211200020122
413302031022
51010300100
6111423242
723226263
oct7621512
93750218
102040650
111174197
12824b22
13565ab1
143b196a
152a4985
hex1f234a

2040650 has 12 divisors (see below), whose sum is σ = 3795702. Its totient is φ = 816240.

The previous prime is 2040641. The next prime is 2040653. The reversal of 2040650 is 560402.

It can be written as a sum of positive squares in 3 ways, for example, as 1990921 + 49729 = 1411^2 + 223^2 .

It is not an unprimeable number, because it can be changed into a prime (2040653) 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 5 ways as a sum of consecutive naturals, for example, 20357 + ... + 20456.

22040650 is an apocalyptic number.

2040650 is a deficient number, since it is larger than the sum of its proper divisors (1755052).

2040650 is a wasteful number, since it uses less digits than its factorization.

2040650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40825 (or 40820 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2040650 is about 1428.5132130995. The cubic root of 2040650 is about 126.8399828136.

The spelling of 2040650 in words is "two million, forty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 40813 81626 204065 408130 1020325 2040650