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102684163 = 115189213
BaseRepresentation
bin1100001111011…
…01011000000011
321011012220012011
412013231120003
5202241343123
614104513351
72354541511
oct607553003
9234186164
10102684163
1152a6514a
122a47b857
131837347a
14d8cd4b1
159034e0d
hex61ed603

102684163 has 4 divisors (see below), whose sum is σ = 102774528. Its totient is φ = 102593800.

The previous prime is 102684149. The next prime is 102684173. The reversal of 102684163 is 361486201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361486201 = 509710189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102684163 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102684173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43456 + ... + 45757.

It is an arithmetic number, because the mean of its divisors is an integer number (25693632).

Almost surely, 2102684163 is an apocalyptic number.

102684163 is a deficient number, since it is larger than the sum of its proper divisors (90365).

102684163 is an equidigital number, since it uses as much as digits as its factorization.

102684163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90364.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102684163 is about 10133.3194462624. The cubic root of 102684163 is about 468.2751976176.

The spelling of 102684163 in words is "one hundred two million, six hundred eighty-four thousand, one hundred sixty-three".

Divisors: 1 1151 89213 102684163