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1071071 = 4012671
BaseRepresentation
bin100000101011111011111
32000102020022
410011133133
5233233241
634542355
712050441
oct4053737
92012208
101071071
11671791
124379bb
132b6691
141dc491
1516254b
hex1057df

1071071 has 4 divisors (see below), whose sum is σ = 1074144. Its totient is φ = 1068000.

The previous prime is 1071067. The next prime is 1071121. The reversal of 1071071 is 1701701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1071071 - 22 = 1071067 is a prime.

It is a super-2 number, since 2×10710712 = 2294386174082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (268536).

21071071 is an apocalyptic number.

1071071 is a deficient number, since it is larger than the sum of its proper divisors (3073).

1071071 is an equidigital number, since it uses as much as digits as its factorization.

1071071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 49, while the sum is 17.

The square root of 1071071 is about 1034.9256011907. The cubic root of 1071071 is about 102.3150262981.

Adding to 1071071 its reverse (1701701), we get a palindrome (2772772).

The spelling of 1071071 in words is "one million, seventy-one thousand, seventy-one".

Divisors: 1 401 2671 1071071