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1000005071 = 1376923467
BaseRepresentation
bin111011100110101…
…101110111001111
32120200200112001212
4323212231313033
54022000130241
6243121325035
733531621452
oct7346556717
92520615055
101000005071
1147352767a
1223aa9677b
1312c23c5a0
1496b4d499
155cbd2beb
hex3b9addcf

1000005071 has 4 divisors (see below), whose sum is σ = 1076928552. Its totient is φ = 923081592.

The previous prime is 1000005067. The next prime is 1000005103. The reversal of 1000005071 is 1705000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1705000001 = 6203274867.

It is a cyclic number.

It is not a de Polignac number, because 1000005071 - 22 = 1000005067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000005001) 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, 38461721 + ... + 38461746.

It is an arithmetic number, because the mean of its divisors is an integer number (269232138).

Almost surely, 21000005071 is an apocalyptic number.

1000005071 is a deficient number, since it is larger than the sum of its proper divisors (76923481).

1000005071 is an equidigital number, since it uses as much as digits as its factorization.

1000005071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76923480.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 1000005071 is about 31622.8567811322. The cubic root of 1000005071 is about 1000.0016903305.

Adding to 1000005071 its reverse (1705000001), we get a palindrome (2705005072).

The spelling of 1000005071 in words is "one billion, five thousand, seventy-one".

Divisors: 1 13 76923467 1000005071