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2086728 = 233712421
BaseRepresentation
bin111111101011101001000
310221000110020
413331131020
51013233403
6112420440
723510520
oct7753510
93830406
102086728
1111a5876
12847720
13580a67
143c4680
152b3453
hex1fd748

2086728 has 32 divisors (see below), whose sum is σ = 5962560. Its totient is φ = 596160.

The previous prime is 2086727. The next prime is 2086739. The reversal of 2086728 is 8276802.

It is not an unprimeable number, because it can be changed into a prime (2086723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6043 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (186330).

22086728 is an apocalyptic number.

2086728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2086728 is an abundant number, since it is smaller than the sum of its proper divisors (3875832).

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

2086728 is a wasteful number, since it uses less digits than its factorization.

2086728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437 (or 12433 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2086728 is about 1444.5511413584. The cubic root of 2086728 is about 127.7875708240.

The spelling of 2086728 in words is "two million, eighty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 12421 24842 37263 49684 74526 86947 99368 149052 173894 260841 298104 347788 521682 695576 1043364 2086728