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2040128 = 26127251
BaseRepresentation
bin111110010000101000000
310211122112022
413302011000
51010241003
6111421012
723224616
oct7620500
93748468
102040128
111173862
12824768
1356579c
143b16b6
152a4738
hex1f2140

2040128 has 28 divisors (see below), whose sum is σ = 4096512. Its totient is φ = 1008000.

The previous prime is 2040113. The next prime is 2040133. The reversal of 2040128 is 8210402.

2040128 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (146304).

22040128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048256).

2040128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040128 is a wasteful number, since it uses less digits than its factorization.

2040128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2040128 is about 1428.3304939684. The cubic root of 2040128 is about 126.8291666329.

The spelling of 2040128 in words is "two million, forty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 127 251 254 502 508 1004 1016 2008 2032 4016 4064 8032 8128 16064 31877 63754 127508 255016 510032 1020064 2040128