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9865141 = 1113149463
BaseRepresentation
bin100101101000…
…011110110101
3200120012102121
4211220132311
510011141031
6551235541
7146565226
oct45503665
920505377
109865141
115628910
123378bb1
132075380
14144b24d
15ced011
hex9687b5

9865141 has 16 divisors (see below), whose sum is σ = 11692800. Its totient is φ = 8205120.

The previous prime is 9865139. The next prime is 9865153. The reversal of 9865141 is 1415689.

9865141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9865141 - 21 = 9865139 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9865097 and 9865106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9865171) 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 15 ways as a sum of consecutive naturals, for example, 21076 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (730800).

Almost surely, 29865141 is an apocalyptic number.

It is an amenable number.

9865141 is a deficient number, since it is larger than the sum of its proper divisors (1827659).

9865141 is a wasteful number, since it uses less digits than its factorization.

9865141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 8640, while the sum is 34.

The square root of 9865141 is about 3140.8822009111. The cubic root of 9865141 is about 214.4705994410.

The spelling of 9865141 in words is "nine million, eight hundred sixty-five thousand, one hundred forty-one".

Divisors: 1 11 13 143 149 463 1639 1937 5093 6019 21307 66209 68987 758857 896831 9865141