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13820383 is a prime number
BaseRepresentation
bin110100101110…
…000111011111
3222000011000001
4310232013133
512014223013
61212115131
7225320443
oct64560737
928004001
1013820383
11788a505
124765aa7
132b2b755
141b9a823
15132eddd
hexd2e1df

13820383 has 2 divisors, whose sum is σ = 13820384. Its totient is φ = 13820382.

The previous prime is 13820381. The next prime is 13820393. The reversal of 13820383 is 38302831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13820383 - 21 = 13820381 is a prime.

Together with 13820381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13820381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6910191 + 6910192.

It is an arithmetic number, because the mean of its divisors is an integer number (6910192).

Almost surely, 213820383 is an apocalyptic number.

13820383 is a deficient number, since it is larger than the sum of its proper divisors (1).

13820383 is an equidigital number, since it uses as much as digits as its factorization.

13820383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13820383 is about 3717.5775714839. The cubic root of 13820383 is about 239.9790664612.

The spelling of 13820383 in words is "thirteen million, eight hundred twenty thousand, three hundred eighty-three".