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2068140 = 223534469
BaseRepresentation
bin111111000111010101100
310220001221210
413320322230
51012140030
6112154420
723402364
oct7707254
93801853
102068140
111192908
12838a10
13575469
143bb9a4
152acbb0
hex1f8eac

2068140 has 24 divisors (see below), whose sum is σ = 5790960. Its totient is φ = 551488.

The previous prime is 2068139. The next prime is 2068147. The reversal of 2068140 is 418602.

It is not an unprimeable number, because it can be changed into a prime (2068147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17175 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (241290).

22068140 is an apocalyptic number.

2068140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068140 is an abundant number, since it is smaller than the sum of its proper divisors (3722820).

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

2068140 is a wasteful number, since it uses less digits than its factorization.

2068140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34481 (or 34479 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2068140 is about 1438.1029170404. The cubic root of 2068140 is about 127.4070063928.

The spelling of 2068140 in words is "two million, sixty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 34469 68938 103407 137876 172345 206814 344690 413628 517035 689380 1034070 2068140