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2001930 = 23579533
BaseRepresentation
bin111101000110000001010
310202201010120
413220300022
51003030210
6110524110
723005350
oct7506012
93681116
102001930
111148097
12806636
13551298
143a17d0
15298270
hex1e8c0a

2001930 has 32 divisors (see below), whose sum is σ = 5491584. Its totient is φ = 457536.

The previous prime is 2001919. The next prime is 2001953. The reversal of 2001930 is 391002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (171612).

22001930 is an apocalyptic number.

2001930 is an abundant number, since it is smaller than the sum of its proper divisors (3489654).

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

2001930 is a wasteful number, since it uses less digits than its factorization.

2001930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2001930 is about 1414.8957558774. The cubic root of 2001930 is about 126.0326194206.

Adding to 2001930 its reverse (391002), we get a palindrome (2392932).

The spelling of 2001930 in words is "two million, one thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 9533 19066 28599 47665 57198 66731 95330 133462 142995 200193 285990 333655 400386 667310 1000965 2001930