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1040545241 = 1954765539
BaseRepresentation
bin111110000001010…
…111010111011001
32200111222011201122
4332001113113121
54112334421431
6251130255025
734533326411
oct7601272731
92614864648
101040545241
114943a704a
12250587475
13137764c58
149c2a3641
156153ea7b
hex3e0575d9

1040545241 has 4 divisors (see below), whose sum is σ = 1095310800. Its totient is φ = 985779684.

The previous prime is 1040545229. The next prime is 1040545249. The reversal of 1040545241 is 1425450401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1425450401 = 3145982271.

It is a cyclic number.

It is not a de Polignac number, because 1040545241 - 222 = 1036350937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040545241.

It is not an unprimeable number, because it can be changed into a prime (1040545249) 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, 27382751 + ... + 27382788.

It is an arithmetic number, because the mean of its divisors is an integer number (273827700).

Almost surely, 21040545241 is an apocalyptic number.

It is an amenable number.

1040545241 is a deficient number, since it is larger than the sum of its proper divisors (54765559).

1040545241 is an equidigital number, since it uses as much as digits as its factorization.

1040545241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54765558.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1040545241 is about 32257.4834883318. The cubic root of 1040545241 is about 1013.3364293125.

Adding to 1040545241 its reverse (1425450401), we get a palindrome (2465995642).

The spelling of 1040545241 in words is "one billion, forty million, five hundred forty-five thousand, two hundred forty-one".

Divisors: 1 19 54765539 1040545241