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2040228 = 22352099
BaseRepresentation
bin111110010000110100100
310211122200000
413302012210
51010241403
6111421300
723225121
oct7620644
93748600
102040228
111173943
12824830
13565848
143b1748
152a47a3
hex1f21a4

2040228 has 36 divisors (see below), whose sum is σ = 5350800. Its totient is φ = 679752.

The previous prime is 2040211. The next prime is 2040229. The reversal of 2040228 is 8220402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2040228.

It is not an unprimeable number, because it can be changed into a prime (2040229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78 + ... + 2021.

22040228 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 2040228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2675400).

2040228 is an abundant number, since it is smaller than the sum of its proper divisors (3310572).

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

2040228 is a wasteful number, since it uses less digits than its factorization.

2040228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2040228 is about 1428.3654994433. The cubic root of 2040228 is about 126.8312388410.

The spelling of 2040228 in words is "two million, forty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 2099 4198 6297 8396 12594 18891 25188 37782 56673 75564 113346 170019 226692 340038 510057 680076 1020114 2040228