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18896341 is a prime number
BaseRepresentation
bin100100000010…
…1010111010101
31022120000220111
41020011113111
514314140331
61513003021
7316421242
oct110052725
938500814
1018896341
11a737112
1263b3471
133bb7c89
14271c5c9
1519d3db1
hex12055d5

18896341 has 2 divisors, whose sum is σ = 18896342. Its totient is φ = 18896340.

The previous prime is 18896327. The next prime is 18896347. The reversal of 18896341 is 14369881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11195716 + 7700625 = 3346^2 + 2775^2 .

It is an emirp because it is prime and its reverse (14369881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18896341 - 29 = 18895829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18896294 and 18896303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18896347) 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, 9448170 + 9448171.

It is an arithmetic number, because the mean of its divisors is an integer number (9448171).

Almost surely, 218896341 is an apocalyptic number.

It is an amenable number.

18896341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18896341 is an equidigital number, since it uses as much as digits as its factorization.

18896341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 18896341 is about 4346.9921785069. The cubic root of 18896341 is about 266.3540097798.

The spelling of 18896341 in words is "eighteen million, eight hundred ninety-six thousand, three hundred forty-one".