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2866071 = 31325653
BaseRepresentation
bin1010111011101110010111
312101121111210
422323232113
51213203241
6141232503
733234615
oct12735627
95347453
102866071
11168835a
12b62733
13794700
145486b5
153b9316
hex2bbb97

2866071 has 12 divisors (see below), whose sum is σ = 4138728. Its totient is φ = 1763424.

The previous prime is 2866069. The next prime is 2866109. The reversal of 2866071 is 1706682.

It is a happy number.

It is not a de Polignac number, because 2866071 - 21 = 2866069 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

2866071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2320 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (344894).

22866071 is an apocalyptic number.

2866071 is a deficient number, since it is larger than the sum of its proper divisors (1272657).

2866071 is a wasteful number, since it uses less digits than its factorization.

2866071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5669 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2866071 is about 1692.9474297804. The cubic root of 2866071 is about 142.0459911861.

The spelling of 2866071 in words is "two million, eight hundred sixty-six thousand, seventy-one".

Divisors: 1 3 13 39 169 507 5653 16959 73489 220467 955357 2866071