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103806853 is a prime number
BaseRepresentation
bin1100010111111…
…11011110000101
321020022221020021
412023333132011
5203033304403
614144535141
72400225613
oct613773605
9236287207
10103806853
1153661697
122a9214b1
1318677497
14db026b3
1591a78bd
hex62ff785

103806853 has 2 divisors, whose sum is σ = 103806854. Its totient is φ = 103806852.

The previous prime is 103806851. The next prime is 103806881. The reversal of 103806853 is 358608301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76422564 + 27384289 = 8742^2 + 5233^2 .

It is an emirp because it is prime and its reverse (358608301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103806853 - 21 = 103806851 is a prime.

Together with 103806851, 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 (103806851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51903426 + 51903427.

It is an arithmetic number, because the mean of its divisors is an integer number (51903427).

Almost surely, 2103806853 is an apocalyptic number.

It is an amenable number.

103806853 is a deficient number, since it is larger than the sum of its proper divisors (1).

103806853 is an equidigital number, since it uses as much as digits as its factorization.

103806853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 103806853 is about 10188.5648155174. The cubic root of 103806853 is about 469.9756332622.

The spelling of 103806853 in words is "one hundred three million, eight hundred six thousand, eight hundred fifty-three".