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2076820 = 225103841
BaseRepresentation
bin111111011000010010100
310220111212021
413323002110
51012424240
6112302524
723436604
oct7730224
93814767
102076820
111199389
12841a44
135793b5
143c0c04
152b054a
hex1fb094

2076820 has 12 divisors (see below), whose sum is σ = 4361364. Its totient is φ = 830720.

The previous prime is 2076803. The next prime is 2076829. The reversal of 2076820 is 286702.

It can be written as a sum of positive squares in 2 ways, for example, as 1024144 + 1052676 = 1012^2 + 1026^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076829) 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, 51901 + ... + 51940.

It is an arithmetic number, because the mean of its divisors is an integer number (363447).

22076820 is an apocalyptic number.

2076820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2076820 is an abundant number, since it is smaller than the sum of its proper divisors (2284544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2076820 is a wasteful number, since it uses less digits than its factorization.

2076820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103850 (or 103848 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2076820 is about 1441.1176218477. The cubic root of 2076820 is about 127.5850003496.

The spelling of 2076820 in words is "two million, seventy-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 103841 207682 415364 519205 1038410 2076820