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2000990 = 25401499
BaseRepresentation
bin111101000100001011110
310202122211202
413220201132
51003012430
6110515502
723002535
oct7504136
93678752
102000990
111147412
12805b92
13550a24
143a131c
15297d45
hex1e885e

2000990 has 16 divisors (see below), whose sum is σ = 3618000. Its totient is φ = 796800.

The previous prime is 2000989. The next prime is 2001037. The reversal of 2000990 is 990002.

2000990 is a modest number, since divided by 990 gives 200 as remainder.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (226125).

22000990 is an apocalyptic number.

2000990 is a deficient number, since it is larger than the sum of its proper divisors (1617010).

2000990 is a wasteful number, since it uses less digits than its factorization.

2000990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 2000990 is about 1414.5635369258. The cubic root of 2000990 is about 126.0128902576.

Adding to 2000990 its reverse (990002), we get a palindrome (2990992).

The spelling of 2000990 in words is "two million, nine hundred ninety", and thus it is an aban number.

Divisors: 1 2 5 10 401 499 802 998 2005 2495 4010 4990 200099 400198 1000495 2000990