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1000442113 = 1190949283
BaseRepresentation
bin111011101000011…
…000100100000001
32120201111201120121
4323220120210001
54022103121423
6243134540241
733535421566
oct7350304401
92521451517
101000442113
114737a5a70
1223b067681
1312c3634a8
1496c2486d
155cc6c45d
hex3ba18901

1000442113 has 4 divisors (see below), whose sum is σ = 1091391408. Its totient is φ = 909492820.

The previous prime is 1000442071. The next prime is 1000442117. The reversal of 1000442113 is 3112440001.

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: 3112440001 = 11282949091.

It is a cyclic number.

It is not a de Polignac number, because 1000442113 - 29 = 1000441601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000442117) 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, 45474631 + ... + 45474652.

It is an arithmetic number, because the mean of its divisors is an integer number (272847852).

Almost surely, 21000442113 is an apocalyptic number.

It is an amenable number.

1000442113 is a deficient number, since it is larger than the sum of its proper divisors (90949295).

1000442113 is an equidigital number, since it uses as much as digits as its factorization.

1000442113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90949294.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1000442113 is about 31629.7662495315. The cubic root of 1000442113 is about 1000.1473492871.

Adding to 1000442113 its reverse (3112440001), we get a palindrome (4112882114).

The spelling of 1000442113 in words is "one billion, four hundred forty-two thousand, one hundred thirteen".

Divisors: 1 11 90949283 1000442113