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2021044241 = 6833295777
BaseRepresentation
bin111100001110110…
…1011000000010001
312012211221200111102
41320131223000101
513114341403431
6532313554145
7101040410156
oct17035530021
95184850442
102021044241
119479104a7
12484a15955
13262934b88
141525b622d
15bc66cdcb
hex7876b011

2021044241 has 4 divisors (see below), whose sum is σ = 2021346852. Its totient is φ = 2020741632.

The previous prime is 2021044237. The next prime is 2021044261. The reversal of 2021044241 is 1424401202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 789385216 + 1231659025 = 28096^2 + 35095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021044241 - 22 = 2021044237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021044261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141056 + ... + 154721.

It is an arithmetic number, because the mean of its divisors is an integer number (505336713).

Almost surely, 22021044241 is an apocalyptic number.

It is an amenable number.

2021044241 is a deficient number, since it is larger than the sum of its proper divisors (302611).

2021044241 is an equidigital number, since it uses as much as digits as its factorization.

2021044241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302610.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2021044241 is about 44956.0256361703. The cubic root of 2021044241 is about 1264.3246544372.

Adding to 2021044241 its reverse (1424401202), we get a palindrome (3445445443).

The spelling of 2021044241 in words is "two billion, twenty-one million, forty-four thousand, two hundred forty-one".

Divisors: 1 6833 295777 2021044241