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2105071 is a prime number
BaseRepresentation
bin1000000001111011101111
310221221121121
420001323233
51014330241
6113041411
723615143
oct10017357
93857547
102105071
111208631
12856267
13589207
143cb223
152b8ad1
hex201eef

2105071 has 2 divisors, whose sum is σ = 2105072. Its totient is φ = 2105070.

The previous prime is 2105069. The next prime is 2105111. The reversal of 2105071 is 1705012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105071 - 21 = 2105069 is a prime.

Together with 2105069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052535 + 1052536.

It is an arithmetic number, because the mean of its divisors is an integer number (1052536).

22105071 is an apocalyptic number.

2105071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105071 is an equidigital number, since it uses as much as digits as its factorization.

2105071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 2105071 is about 1450.8862808642. The cubic root of 2105071 is about 128.1609101010.

The spelling of 2105071 in words is "two million, one hundred five thousand, seventy-one".