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2081485 = 5759471
BaseRepresentation
bin111111100001011001101
310220202021001
413330023031
51013101420
6112340301
723456320
oct7741315
93822231
102081485
1111a193a
12844691
1357b563
143c27b7
152b1b0a
hex1fc2cd

2081485 has 8 divisors (see below), whose sum is σ = 2854656. Its totient is φ = 1427280.

The previous prime is 2081483. The next prime is 2081491. The reversal of 2081485 is 5841802.

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

It is not a de Polignac number, because 2081485 - 21 = 2081483 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081483) 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, 29701 + ... + 29770.

It is an arithmetic number, because the mean of its divisors is an integer number (356832).

22081485 is an apocalyptic number.

It is an amenable number.

2081485 is a deficient number, since it is larger than the sum of its proper divisors (773171).

2081485 is an equidigital number, since it uses as much as digits as its factorization.

2081485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59483.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2081485 is about 1442.7352494481. The cubic root of 2081485 is about 127.6804570163.

The spelling of 2081485 in words is "two million, eighty-one thousand, four hundred eighty-five".

Divisors: 1 5 7 35 59471 297355 416297 2081485