Search a number
-
+
2040828 = 223198951
BaseRepresentation
bin111110010001111111100
310211200111020
413302033330
51010301303
6111424140
723226636
oct7621774
93750436
102040828
111174339
12825050
13565bba
143b1a56
152a4a53
hex1f23fc

2040828 has 24 divisors (see below), whose sum is σ = 5013120. Its totient is φ = 644400.

The previous prime is 2040827. The next prime is 2040851. The reversal of 2040828 is 8280402.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2040798 and 2040807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4248 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (208880).

22040828 is an apocalyptic number.

It is an amenable number.

2040828 is an abundant number, since it is smaller than the sum of its proper divisors (2972292).

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

2040828 is a wasteful number, since it uses less digits than its factorization.

2040828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977 (or 8975 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2040828 is about 1428.5755142799. The cubic root of 2040828 is about 126.8436706680.

The spelling of 2040828 in words is "two million, forty thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 8951 17902 26853 35804 53706 107412 170069 340138 510207 680276 1020414 2040828