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2000740 = 225731461
BaseRepresentation
bin111101000011101100100
310202122111111
413220131210
51003010430
6110514404
723002030
oct7503544
93678444
102000740
111147205
12805a04
13550891
143a11c0
15297c2a
hex1e8764

2000740 has 48 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 662400.

The previous prime is 2000731. The next prime is 2000753. The reversal of 2000740 is 470002.

It is a self number, because there is not a number n which added to its sum of digits gives 2000740.

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 15 ways as a sum of consecutive naturals, for example, 4110 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (103488).

22000740 is an apocalyptic number.

2000740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2483712).

2000740 is an abundant number, since it is smaller than the sum of its proper divisors (2966684).

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

2000740 is a wasteful number, since it uses less digits than its factorization.

2000740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 2000740 is about 1414.4751676859. The cubic root of 2000740 is about 126.0076420997.

Adding to 2000740 its reverse (470002), we get a palindrome (2470742).

The spelling of 2000740 in words is "two million, seven hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 461 620 868 922 1085 1844 2170 2305 3227 4340 4610 6454 9220 12908 14291 16135 28582 32270 57164 64540 71455 100037 142910 200074 285820 400148 500185 1000370 2000740