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106431065 = 5131986179
BaseRepresentation
bin1100101100000…
…00001001011001
321102021020222022
412112000021121
5204221243230
614321104225
72431435436
oct626001131
9242236868
10106431065
1155094264
122b788075
1319085a80
14101c6b8d
1595251e5
hex6580259

106431065 has 16 divisors (see below), whose sum is σ = 144782400. Its totient is φ = 74457792.

The previous prime is 106431001. The next prime is 106431071. The reversal of 106431065 is 560134601.

106431065 is nontrivially palindromic in base 4.

It is a cyclic number.

It is not a de Polignac number, because 106431065 - 26 = 106431001 is a prime.

It is a super-2 number, since 2×1064310652 = 22655143194068450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41855 + ... + 44324.

It is an arithmetic number, because the mean of its divisors is an integer number (9048900).

Almost surely, 2106431065 is an apocalyptic number.

It is an amenable number.

106431065 is a deficient number, since it is larger than the sum of its proper divisors (38351335).

106431065 is a wasteful number, since it uses less digits than its factorization.

106431065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86216.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 106431065 is about 10316.5432679750. The cubic root of 106431065 is about 473.9030123745.

Adding to 106431065 its reverse (560134601), we get a palindrome (666565666).

The spelling of 106431065 in words is "one hundred six million, four hundred thirty-one thousand, sixty-five".

Divisors: 1 5 13 19 65 95 247 1235 86179 430895 1120327 1637401 5601635 8187005 21286213 106431065