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1040252441 = 2345228367
BaseRepresentation
bin111110000000001…
…111111000011001
32200111102022002012
4332000033320121
54112301034231
6251120115305
734530666644
oct7600177031
92614368065
101040252441
11494217068
12250465b35
131376918b7
149c228a5b
15614d2e2b
hex3e00fe19

1040252441 has 4 divisors (see below), whose sum is σ = 1085480832. Its totient is φ = 995024052.

The previous prime is 1040252387. The next prime is 1040252449. The reversal of 1040252441 is 1442520401.

1040252441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1442520401 = 7206074343.

It is a cyclic number.

It is not a de Polignac number, because 1040252441 - 210 = 1040251417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 45228367 = 1040252441 / (1 + 0 + 4 + 0 + 2 + 5 + 2 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040252449) 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, 22614161 + ... + 22614206.

It is an arithmetic number, because the mean of its divisors is an integer number (271370208).

Almost surely, 21040252441 is an apocalyptic number.

It is an amenable number.

1040252441 is a deficient number, since it is larger than the sum of its proper divisors (45228391).

1040252441 is an equidigital number, since it uses as much as digits as its factorization.

1040252441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228390.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1040252441 is about 32252.9446872685. The cubic root of 1040252441 is about 1013.2413725003.

Adding to 1040252441 its reverse (1442520401), we get a palindrome (2482772842).

The spelling of 1040252441 in words is "one billion, forty million, two hundred fifty-two thousand, four hundred forty-one".

Divisors: 1 23 45228367 1040252441