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2689043 = 71759383
BaseRepresentation
bin1010010000100000010011
312001121200012
422100200103
51142022133
6133345135
731566530
oct12204023
95047605
102689043
111577355
12a981ab
13731c66
144ddd87
15381b48
hex290813

2689043 has 16 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 2126976.

The previous prime is 2689031. The next prime is 2689073. The reversal of 2689043 is 3409862.

It is a cyclic number.

It is not a de Polignac number, because 2689043 - 26 = 2688979 is a prime.

It is a super-3 number, since 3×26890433 = 58333024640774887521, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6830 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

22689043 is an apocalyptic number.

2689043 is a deficient number, since it is larger than the sum of its proper divisors (628717).

2689043 is a wasteful number, since it uses less digits than its factorization.

2689043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2689043 is about 1639.8301741339. The cubic root of 2689043 is about 139.0590470800.

The spelling of 2689043 in words is "two million, six hundred eighty-nine thousand, forty-three".

Divisors: 1 7 17 59 119 383 413 1003 2681 6511 7021 22597 45577 158179 384149 2689043