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2020304 = 241113883
BaseRepresentation
bin111101101001111010000
310210122100002
413231033100
51004122204
6111145132
723113046
oct7551720
93718302
102020304
11115a980
128151a8
13559760
143a8396
1529d91e
hex1ed3d0

2020304 has 40 divisors (see below), whose sum is σ = 4603872. Its totient is φ = 846720.

The previous prime is 2020279. The next prime is 2020309. The reversal of 2020304 is 4030202.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020309) 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, 1847 + ... + 2729.

22020304 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 2020304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301936).

2020304 is an abundant number, since it is smaller than the sum of its proper divisors (2583568).

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

2020304 is a wasteful number, since it uses less digits than its factorization.

2020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2020304 is about 1421.3739831585. The cubic root of 2020304 is about 126.4170275624.

Adding to 2020304 its reverse (4030202), we get a palindrome (6050506).

The spelling of 2020304 in words is "two million, twenty thousand, three hundred four".

Divisors: 1 2 4 8 11 13 16 22 26 44 52 88 104 143 176 208 286 572 883 1144 1766 2288 3532 7064 9713 11479 14128 19426 22958 38852 45916 77704 91832 126269 155408 183664 252538 505076 1010152 2020304