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86701049 = 808110729
BaseRepresentation
bin1010010101011…
…11001111111001
320001010212110222
411022233033321
5134143413144
612334145425
72101642511
oct512571771
9201125428
1086701049
1144a38866
1225052275
1314c684c6
14b72c841
1579292ee
hex52af3f9

86701049 has 4 divisors (see below), whose sum is σ = 86719860. Its totient is φ = 86682240.

The previous prime is 86701033. The next prime is 86701051. The reversal of 86701049 is 94010768.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47513449 + 39187600 = 6893^2 + 6260^2 .

It is a cyclic number.

It is not a de Polignac number, because 86701049 - 24 = 86701033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86701949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2717 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (21679965).

Almost surely, 286701049 is an apocalyptic number.

It is an amenable number.

86701049 is a deficient number, since it is larger than the sum of its proper divisors (18811).

86701049 is a wasteful number, since it uses less digits than its factorization.

86701049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 86701049 is about 9311.3398069236. The cubic root of 86701049 is about 442.5966448125.

The spelling of 86701049 in words is "eighty-six million, seven hundred one thousand, forty-nine".

Divisors: 1 8081 10729 86701049