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2006140 = 225372711
BaseRepresentation
bin111101001110001111100
310202220220111
413221301330
51003144030
6110555404
723023543
oct7516174
93686814
102006140
111150274
12808b64
13553186
143a315a
1529962a
hex1e9c7c

2006140 has 24 divisors (see below), whose sum is σ = 4328352. Its totient is φ = 780480.

The previous prime is 2006111. The next prime is 2006141. The reversal of 2006140 is 416002.

It is a self number, because there is not a number n which added to its sum of digits gives 2006140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006141) 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, 616 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (180348).

22006140 is an apocalyptic number.

2006140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006140 is an abundant number, since it is smaller than the sum of its proper divisors (2322212).

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

2006140 is a wasteful number, since it uses less digits than its factorization.

2006140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2006140 is about 1416.3827166412. The cubic root of 2006140 is about 126.1209051945.

The spelling of 2006140 in words is "two million, six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 2711 5422 10844 13555 27110 54220 100307 200614 401228 501535 1003070 2006140