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106888987 is a prime number
BaseRepresentation
bin1100101111011…
…11111100011011
321110010112010101
412113233330123
5204330421422
614335000231
72435353462
oct627577433
9243115111
10106888987
1155377307
122b969077
13191b632a
14102a59d9
1595b5c27
hex65eff1b

106888987 has 2 divisors, whose sum is σ = 106888988. Its totient is φ = 106888986.

The previous prime is 106888973. The next prime is 106888993. The reversal of 106888987 is 789888601.

It is a strong prime.

It is an emirp because it is prime and its reverse (789888601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106888987 - 215 = 106856219 is a prime.

It is a super-2 number, since 2×1068889872 = 22850511083772338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106888937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53444493 + 53444494.

It is an arithmetic number, because the mean of its divisors is an integer number (53444494).

Almost surely, 2106888987 is an apocalyptic number.

106888987 is a deficient number, since it is larger than the sum of its proper divisors (1).

106888987 is an equidigital number, since it uses as much as digits as its factorization.

106888987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 55.

The square root of 106888987 is about 10338.7130243566. The cubic root of 106888987 is about 474.5816993288.

The spelling of 106888987 in words is "one hundred six million, eight hundred eighty-eight thousand, nine hundred eighty-seven".