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1040048869 = 4324187183
BaseRepresentation
bin111101111111011…
…110001011100101
32200111000221211111
4331333132023211
54112223030434
6251111505021
734526161306
oct7577361345
92614027744
101040048869
11494098122
12250388171
13137620042
149c1b47ad
1561492964
hex3dfde2e5

1040048869 has 4 divisors (see below), whose sum is σ = 1064236096. Its totient is φ = 1015861644.

The previous prime is 1040048861. The next prime is 1040048879. The reversal of 1040048869 is 9688400401.

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.

It is a cyclic number.

It is not a de Polignac number, because 1040048869 - 23 = 1040048861 is a prime.

It is a super-2 number, since 2×10400488692 = 2163403299816358322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040048861) 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, 12093549 + ... + 12093634.

It is an arithmetic number, because the mean of its divisors is an integer number (266059024).

Almost surely, 21040048869 is an apocalyptic number.

It is an amenable number.

1040048869 is a deficient number, since it is larger than the sum of its proper divisors (24187227).

1040048869 is an equidigital number, since it uses as much as digits as its factorization.

1040048869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24187226.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1040048869 is about 32249.7886659742. The cubic root of 1040048869 is about 1013.1752728302.

The spelling of 1040048869 in words is "one billion, forty million, forty-eight thousand, eight hundred sixty-nine".

Divisors: 1 43 24187183 1040048869