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2081353 is a prime number
BaseRepresentation
bin111111100001001001001
310220202002011
413330021021
51013100403
6112335521
723456041
oct7741111
93822064
102081353
1111a182a
128445a1
1357b491
143c2721
152b1a6d
hex1fc249

2081353 has 2 divisors, whose sum is σ = 2081354. Its totient is φ = 2081352.

The previous prime is 2081351. The next prime is 2081369. The reversal of 2081353 is 3531802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 16384 = 1437^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081353 - 21 = 2081351 is a prime.

Together with 2081351, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (2081351) 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 as a sum of consecutive naturals, namely, 1040676 + 1040677.

It is an arithmetic number, because the mean of its divisors is an integer number (1040677).

22081353 is an apocalyptic number.

It is an amenable number.

2081353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081353 is an equidigital number, since it uses as much as digits as its factorization.

2081353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2081353 is about 1442.6895022838. The cubic root of 2081353 is about 127.6777579534.

The spelling of 2081353 in words is "two million, eighty-one thousand, three hundred fifty-three".