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2001950 = 25240039
BaseRepresentation
bin111101000110000011110
310202201011022
413220300132
51003030300
6110524142
723005406
oct7506036
93681138
102001950
111148105
12806652
135512b2
143a1806
15298285
hex1e8c1e

2001950 has 12 divisors (see below), whose sum is σ = 3723720. Its totient is φ = 800760.

The previous prime is 2001919. The next prime is 2001953. The reversal of 2001950 is 591002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001953) 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 5 ways as a sum of consecutive naturals, for example, 19970 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (310310).

22001950 is an apocalyptic number.

2001950 is a deficient number, since it is larger than the sum of its proper divisors (1721770).

2001950 is a wasteful number, since it uses less digits than its factorization.

2001950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40051 (or 40046 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2001950 is about 1414.9028235183. The cubic root of 2001950 is about 126.0330391229.

Adding to 2001950 its reverse (591002), we get a palindrome (2592952).

The spelling of 2001950 in words is "two million, one thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 40039 80078 200195 400390 1000975 2001950