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105064987 is a prime number
BaseRepresentation
bin1100100001100…
…10101000011011
321022200212001211
412100302220123
5203344034422
614231523551
72414015626
oct620625033
9238625054
10105064987
1154340975
122b2295b7
13189c8041
14dd4cdbd
159355577
hex6432a1b

105064987 has 2 divisors, whose sum is σ = 105064988. Its totient is φ = 105064986.

The previous prime is 105064963. The next prime is 105065021. The reversal of 105064987 is 789460501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105064987 - 211 = 105062939 is a prime.

It is a super-2 number, since 2×1050649872 = 22077302986620338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105061987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52532493 + 52532494.

It is an arithmetic number, because the mean of its divisors is an integer number (52532494).

Almost surely, 2105064987 is an apocalyptic number.

105064987 is a deficient number, since it is larger than the sum of its proper divisors (1).

105064987 is an equidigital number, since it uses as much as digits as its factorization.

105064987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 105064987 is about 10250.1213163552. The cubic root of 105064987 is about 471.8667077297.

The spelling of 105064987 in words is "one hundred five million, sixty-four thousand, nine hundred eighty-seven".