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1042545017 = 2803371939
BaseRepresentation
bin111110001000111…
…111100101111001
32200122201202220102
4332020333211321
54113342420032
6251241205145
734556325563
oct7610774571
92618652812
101042545017
11495542558
122511907b5
13137cb5257
149c664333
15617d7362
hex3e23f979

1042545017 has 4 divisors (see below), whose sum is σ = 1042919760. Its totient is φ = 1042170276.

The previous prime is 1042545011. The next prime is 1042545061. The reversal of 1042545017 is 7105452401.

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: 7105452401 = 19373971179.

It is a cyclic number.

It is not a de Polignac number, because 1042545017 - 214 = 1042528633 is a prime.

It is a super-2 number, since 2×10425450172 = 2173800224943060578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042545011) 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, 183167 + ... + 188772.

It is an arithmetic number, because the mean of its divisors is an integer number (260729940).

Almost surely, 21042545017 is an apocalyptic number.

It is an amenable number.

1042545017 is a deficient number, since it is larger than the sum of its proper divisors (374743).

1042545017 is an equidigital number, since it uses as much as digits as its factorization.

1042545017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374742.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1042545017 is about 32288.4656959726. The cubic root of 1042545017 is about 1013.9851754372.

Adding to 1042545017 its reverse (7105452401), we get a palindrome (8147997418).

The spelling of 1042545017 in words is "one billion, forty-two million, five hundred forty-five thousand, seventeen".

Divisors: 1 2803 371939 1042545017