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2021230441 = 47197419521
BaseRepresentation
bin111100001111001…
…1000011101101001
312012212022010220201
41320132120131221
513114413333231
6532321552201
7101042114056
oct17036303551
95185263821
102021230441
11947a2838a
12484aa5661
1326299b859
1415262402d
15bc6a8161
hex78798769

2021230441 has 16 divisors (see below), whose sum is σ = 2083656960. Its totient is φ = 1959717760.

The previous prime is 2021230433. The next prime is 2021230493. The reversal of 2021230441 is 1440321202.

It is a cyclic number.

It is not a de Polignac number, because 2021230441 - 23 = 2021230433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021210441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879261 + ... + 3879781.

It is an arithmetic number, because the mean of its divisors is an integer number (130228560).

Almost surely, 22021230441 is an apocalyptic number.

It is an amenable number.

2021230441 is a deficient number, since it is larger than the sum of its proper divisors (62426519).

2021230441 is a wasteful number, since it uses less digits than its factorization.

2021230441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2021230441 is about 44958.0965010753. The cubic root of 2021230441 is about 1264.3634809040.

Adding to 2021230441 its reverse (1440321202), we get a palindrome (3461551643).

It can be divided in two parts, 20212 and 30441, that added together give a cube (50653 = 373).

The spelling of 2021230441 in words is "two billion, twenty-one million, two hundred thirty thousand, four hundred forty-one".

Divisors: 1 47 197 419 521 9259 19693 24487 82543 102637 218299 3879521 4823939 10260053 43004903 2021230441