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2066745 = 35211653
BaseRepresentation
bin111111000100100111001
310220000001010
413320210321
51012113440
6112144133
723365332
oct7704471
93800033
102066745
11119185a
12838049
13574935
143bb289
152ac580
hex1f8939

2066745 has 16 divisors (see below), whose sum is σ = 3327552. Its totient is φ = 1095360.

The previous prime is 2066723. The next prime is 2066759. The reversal of 2066745 is 5476602.

It is not a de Polignac number, because 2066745 - 26 = 2066681 is a prime.

2066745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2839 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (207972).

22066745 is an apocalyptic number.

It is an amenable number.

2066745 is a deficient number, since it is larger than the sum of its proper divisors (1260807).

2066745 is a wasteful number, since it uses less digits than its factorization.

2066745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2066745 is about 1437.6178212585. The cubic root of 2066745 is about 127.3783537950.

The spelling of 2066745 in words is "two million, sixty-six thousand, seven hundred forty-five".

Divisors: 1 3 5 15 211 633 653 1055 1959 3165 3265 9795 137783 413349 688915 2066745