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86316247 = 277317983
BaseRepresentation
bin1010010010100…
…01010011010111
320000102022122001
411021101103113
5134044104442
612322020131
72065450603
oct511212327
9200368561
1086316247
11447a5746
1224aa7647
1314b62304
14b66c503
1578a02b7
hex52514d7

86316247 has 8 divisors (see below), whose sum is σ = 86989536. Its totient is φ = 85646112.

The previous prime is 86316239. The next prime is 86316287. The reversal of 86316247 is 74261368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86316247 - 23 = 86316239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86316287) 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 7 ways as a sum of consecutive naturals, for example, 87318 + ... + 88300.

It is an arithmetic number, because the mean of its divisors is an integer number (10873692).

Almost surely, 286316247 is an apocalyptic number.

86316247 is a deficient number, since it is larger than the sum of its proper divisors (673289).

86316247 is a wasteful number, since it uses less digits than its factorization.

86316247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577.

The product of its digits is 48384, while the sum is 37.

The square root of 86316247 is about 9290.6537444897. The cubic root of 86316247 is about 441.9408870394.

It can be divided in two parts, 8631 and 6247, that added together give a triangular number (14878 = T172).

The spelling of 86316247 in words is "eighty-six million, three hundred sixteen thousand, two hundred forty-seven".

Divisors: 1 277 317 983 87809 272291 311611 86316247