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1040041443 = 3749525783
BaseRepresentation
bin111101111111011…
…100010111100011
32200111000120122110
4331333130113203
54112222311233
6251111410403
734526130540
oct7577342743
92614016573
101040041443
11494092591
12250383a03
1313761984c
149c1b1bc7
1561490663
hex3dfdc5e3

1040041443 has 8 divisors (see below), whose sum is σ = 1584825088. Its totient is φ = 594309384.

The previous prime is 1040041433. The next prime is 1040041447. The reversal of 1040041443 is 3441400401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040041443 - 29 = 1040040931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 49525783 = 1040041443 / (1 + 0 + 4 + 0 + 0 + 4 + 1 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (1040041447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24762871 + ... + 24762912.

It is an arithmetic number, because the mean of its divisors is an integer number (198103136).

Almost surely, 21040041443 is an apocalyptic number.

1040041443 is a deficient number, since it is larger than the sum of its proper divisors (544783645).

1040041443 is an equidigital number, since it uses as much as digits as its factorization.

1040041443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49525793.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1040041443 is about 32249.6735332313. The cubic root of 1040041443 is about 1013.1728614508.

Adding to 1040041443 its reverse (3441400401), we get a palindrome (4481441844).

The spelling of 1040041443 in words is "one billion, forty million, forty-one thousand, four hundred forty-three".

Divisors: 1 3 7 21 49525783 148577349 346680481 1040041443