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1040031242 = 2617842813
BaseRepresentation
bin111101111111011…
…001111000001010
32200111000001122122
4331333121320022
54112221444432
6251111251242
734526056025
oct7577317012
92614001578
101040031242
11494085958
12250379b22
13137615003
149c1ac1bc
156148c612
hex3dfd9e0a

1040031242 has 8 divisors (see below), whose sum is σ = 1562577156. Its totient is φ = 519172192.

The previous prime is 1040031241. The next prime is 1040031247. The reversal of 1040031242 is 2421300401.

It can be written as a sum of positive squares in 2 ways, for example, as 1034973241 + 5058001 = 32171^2 + 2249^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1040031242.

It is not an unprimeable number, because it can be changed into a prime (1040031241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420173 + ... + 422640.

Almost surely, 21040031242 is an apocalyptic number.

1040031242 is a deficient number, since it is larger than the sum of its proper divisors (522545914).

1040031242 is an equidigital number, since it uses as much as digits as its factorization.

1040031242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843432.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040031242 is about 32249.5153762037. The cubic root of 1040031242 is about 1013.1695489513.

Adding to 1040031242 its reverse (2421300401), we get a palindrome (3461331643).

The spelling of 1040031242 in words is "one billion, forty million, thirty-one thousand, two hundred forty-two".

Divisors: 1 2 617 1234 842813 1685626 520015621 1040031242