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1982066 = 26831451
BaseRepresentation
bin111100011111001110010
310201200212212
413203321302
51001411231
6110252122
722563422
oct7437162
93650785
101982066
111134179
127b7042
13545228
14398482
1529242b
hex1e3e72

1982066 has 8 divisors (see below), whose sum is σ = 2979504. Its totient is φ = 988900.

The previous prime is 1982059. The next prime is 1982069. The reversal of 1982066 is 6602891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1982069) 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 3 ways as a sum of consecutive naturals, for example, 641 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (372438).

21982066 is an apocalyptic number.

1982066 is a deficient number, since it is larger than the sum of its proper divisors (997438).

1982066 is a wasteful number, since it uses less digits than its factorization.

1982066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1982066 is about 1407.8586576784. The cubic root of 1982066 is about 125.6143833177.

The spelling of 1982066 in words is "one million, nine hundred eighty-two thousand, sixty-six".

Divisors: 1 2 683 1366 1451 2902 991033 1982066