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86061611 = 312776181
BaseRepresentation
bin1010010000100…
…11001000101011
312222221101100002
411020103020223
5134012432421
612312333215
72063340326
oct510231053
9188841302
1086061611
11446413a9
12249a420b
1314aa343c
14b6037bd
15784eb0b
hex521322b

86061611 has 4 divisors (see below), whose sum is σ = 88837824. Its totient is φ = 83285400.

The previous prime is 86061587. The next prime is 86061623. The reversal of 86061611 is 11616068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86061611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86061641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388060 + ... + 1388121.

It is an arithmetic number, because the mean of its divisors is an integer number (22209456).

Almost surely, 286061611 is an apocalyptic number.

86061611 is a deficient number, since it is larger than the sum of its proper divisors (2776213).

86061611 is a wasteful number, since it uses less digits than its factorization.

86061611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776212.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 86061611 is about 9276.9397432559. The cubic root of 86061611 is about 441.5058785477.

Adding to 86061611 its reverse (11616068), we get a palindrome (97677679).

The spelling of 86061611 in words is "eighty-six million, sixty-one thousand, six hundred eleven".

Divisors: 1 31 2776181 86061611