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1983894 = 231130059
BaseRepresentation
bin111100100010110010110
310201210101120
413210112112
51001441034
6110304410
722601643
oct7442626
93653346
101983894
111135590
127b8106
13546003
14398dca
15292c49
hex1e4596

1983894 has 16 divisors (see below), whose sum is σ = 4328640. Its totient is φ = 601160.

The previous prime is 1983889. The next prime is 1983913. The reversal of 1983894 is 4983891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14964 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (270540).

21983894 is an apocalyptic number.

1983894 is an abundant number, since it is smaller than the sum of its proper divisors (2344746).

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

1983894 is a wasteful number, since it uses less digits than its factorization.

1983894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075.

The product of its digits is 62208, while the sum is 42.

The square root of 1983894 is about 1408.5077209586. The cubic root of 1983894 is about 125.6529882443.

The spelling of 1983894 in words is "one million, nine hundred eighty-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 30059 60118 90177 180354 330649 661298 991947 1983894