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2020041 = 32224449
BaseRepresentation
bin111101101001011001001
310210121222100
413231023021
51004120131
6111144013
723112222
oct7551311
93717870
102020041
11115a761
12815009
135595ba
143a8249
1529d7e6
hex1ed2c9

2020041 has 6 divisors (see below), whose sum is σ = 2917850. Its totient is φ = 1346688.

The previous prime is 2020037. The next prime is 2020043. The reversal of 2020041 is 1400202.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 156816 = 1365^2 + 396^2 .

It is not a de Polignac number, because 2020041 - 22 = 2020037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 224449 = 2020041 / (2 + 0 + 2 + 0 + 0 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2020043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112216 + ... + 112233.

22020041 is an apocalyptic number.

It is an amenable number.

2020041 is a deficient number, since it is larger than the sum of its proper divisors (897809).

2020041 is a wasteful number, since it uses less digits than its factorization.

2020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224455 (or 224452 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020041 is about 1421.2814640317. The cubic root of 2020041 is about 126.4115417344.

Adding to 2020041 its reverse (1400202), we get a palindrome (3420243).

The spelling of 2020041 in words is "two million, twenty thousand, forty-one".

Divisors: 1 3 9 224449 673347 2020041