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2071143 = 3379971
BaseRepresentation
bin111111001101001100111
310220020002000
413321221213
51012234033
6112220343
723414214
oct7715147
93806060
102071143
111195098
1283a6b3
13576939
143bcb0b
152ada13
hex1f9a67

2071143 has 16 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 1361880.

The previous prime is 2071123. The next prime is 2071159. The reversal of 2071143 is 3411702.

It is a de Polignac number, because none of the positive numbers 2k-2071143 is a prime.

It is a super-3 number, since 3×20711433 = 26653332109924683621, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

22071143 is an apocalyptic number.

2071143 is a deficient number, since it is larger than the sum of its proper divisors (1039257).

2071143 is an equidigital number, since it uses as much as digits as its factorization.

2071143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2071143 is about 1439.1466221341. The cubic root of 2071143 is about 127.4686428077.

Adding to 2071143 its reverse (3411702), we get a palindrome (5482845).

The spelling of 2071143 in words is "two million, seventy-one thousand, one hundred forty-three".

Divisors: 1 3 9 27 79 237 711 971 2133 2913 8739 26217 76709 230127 690381 2071143