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2040043241 = 4721432121
BaseRepresentation
bin111100110011000…
…1001011011101001
312021011200221020002
41321212021123221
513134222340431
6534233112345
7101361036635
oct17146113351
95234627202
102040043241
11957607755
1248b2586b5
132668577a2
14154d1ddc5
15be1723cb
hex799896e9

2040043241 has 4 divisors (see below), whose sum is σ = 2040480084. Its totient is φ = 2039606400.

The previous prime is 2040043223. The next prime is 2040043279. The reversal of 2040043241 is 1423400402.

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 770617600 + 1269425641 = 27760^2 + 35629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2040043241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040043141) 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 3 ways as a sum of consecutive naturals, for example, 211340 + ... + 220781.

It is an arithmetic number, because the mean of its divisors is an integer number (510120021).

Almost surely, 22040043241 is an apocalyptic number.

It is an amenable number.

2040043241 is a deficient number, since it is larger than the sum of its proper divisors (436843).

2040043241 is an equidigital number, since it uses as much as digits as its factorization.

2040043241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436842.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040043241 is about 45166.8378459241. The cubic root of 2040043241 is about 1268.2741019701.

Adding to 2040043241 its reverse (1423400402), we get a palindrome (3463443643).

The spelling of 2040043241 in words is "two billion, forty million, forty-three thousand, two hundred forty-one".

Divisors: 1 4721 432121 2040043241