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1983055 = 5613647
BaseRepresentation
bin111100100001001001111
310201202020111
413210021033
51001424210
6110300451
722566334
oct7441117
93652214
101983055
111134998
127b7727
13545809
1439898b
1529288a
hex1e424f

1983055 has 8 divisors (see below), whose sum is σ = 2387232. Its totient is φ = 1581408.

The previous prime is 1983053. The next prime is 1983061. The reversal of 1983055 is 5503891.

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

It is a cyclic number.

It is not a de Polignac number, because 1983055 - 21 = 1983053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983053) by changing a digit.

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, 2742 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (298404).

21983055 is an apocalyptic number.

1983055 is a deficient number, since it is larger than the sum of its proper divisors (404177).

1983055 is an equidigital number, since it uses as much as digits as its factorization.

1983055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1983055 is about 1408.2098565200. The cubic root of 1983055 is about 125.6352726268.

The spelling of 1983055 in words is "one million, nine hundred eighty-three thousand, fifty-five".

Divisors: 1 5 613 647 3065 3235 396611 1983055