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102875819 is a prime number
BaseRepresentation
bin1100010000111…
…00001010101011
321011120122002112
412020130022223
5202314011234
614112552535
72356300334
oct610341253
9234518075
10102875819
1153086142
122a55274b
131840c787
14d93d28b
159071ace
hex621c2ab

102875819 has 2 divisors, whose sum is σ = 102875820. Its totient is φ = 102875818.

The previous prime is 102875807. The next prime is 102875833. The reversal of 102875819 is 918578201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102875819 - 212 = 102871723 is a prime.

It is a super-2 number, since 2×1028758192 = 21166868269841522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p5917586 and since 102875819 and 5917586 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (102875119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51437909 + 51437910.

It is an arithmetic number, because the mean of its divisors is an integer number (51437910).

Almost surely, 2102875819 is an apocalyptic number.

102875819 is a deficient number, since it is larger than the sum of its proper divisors (1).

102875819 is an equidigital number, since it uses as much as digits as its factorization.

102875819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 102875819 is about 10142.7717612100. The cubic root of 102875819 is about 468.5663557008.

The spelling of 102875819 in words is "one hundred two million, eight hundred seventy-five thousand, eight hundred nineteen".