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1071005 = 51316477
BaseRepresentation
bin100000101011110011101
32000102010212
410011132131
5233233010
634542205
712050315
oct4053635
92012125
101071005
11671731
12437965
132b6640
141dc445
15162505
hex10579d

1071005 has 8 divisors (see below), whose sum is σ = 1384152. Its totient is φ = 790848.

The previous prime is 1070987. The next prime is 1071023. The reversal of 1071005 is 5001701.

It is an interprime number because it is at equal distance from previous prime (1070987) and next prime (1071023).

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 1069156 = 43^2 + 1034^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1071005 - 212 = 1066909 is a prime.

It is a super-2 number, since 2×10710052 = 2294103420050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8174 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (173019).

21071005 is an apocalyptic number.

It is an amenable number.

1071005 is a deficient number, since it is larger than the sum of its proper divisors (313147).

1071005 is a wasteful number, since it uses less digits than its factorization.

1071005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16495.

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

The square root of 1071005 is about 1034.8937143494. The cubic root of 1071005 is about 102.3129246850.

Adding to 1071005 its reverse (5001701), we get a palindrome (6072706).

The spelling of 1071005 in words is "one million, seventy-one thousand, five".

Divisors: 1 5 13 65 16477 82385 214201 1071005