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2066844 = 2231313249
BaseRepresentation
bin111111000100110011100
310220000011210
413320212130
51012114334
6112144420
723365533
oct7704634
93800153
102066844
11119193a
12838110
135749b0
143bb31a
152ac5e9
hex1f899c

2066844 has 24 divisors (see below), whose sum is σ = 5194000. Its totient is φ = 635904.

The previous prime is 2066833. The next prime is 2066879. The reversal of 2066844 is 4486602.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6469 + ... + 6780.

22066844 is an apocalyptic number.

It is an amenable number.

2066844 is an abundant number, since it is smaller than the sum of its proper divisors (3127156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066844 is a wasteful number, since it uses less digits than its factorization.

2066844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269 (or 13267 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2066844 is about 1437.6522528066. The cubic root of 2066844 is about 127.3803876302.

The spelling of 2066844 in words is "two million, sixty-six thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 13249 26498 39747 52996 79494 158988 172237 344474 516711 688948 1033422 2066844