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86918327 = 312803817
BaseRepresentation
bin1010010111001…
…00010010110111
320001112220112022
411023210102313
5134222341302
612342543355
72103536126
oct513442267
9201486468
1086918327
1145077031
1225137b5b
1315013382
14b787abd
15796d8a2
hex52e44b7

86918327 has 4 divisors (see below), whose sum is σ = 89722176. Its totient is φ = 84114480.

The previous prime is 86918317. The next prime is 86918333. The reversal of 86918327 is 72381968.

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

It is a cyclic number.

It is not a de Polignac number, because 86918327 - 28 = 86918071 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 (86918317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401878 + ... + 1401939.

It is an arithmetic number, because the mean of its divisors is an integer number (22430544).

Almost surely, 286918327 is an apocalyptic number.

86918327 is a deficient number, since it is larger than the sum of its proper divisors (2803849).

86918327 is a wasteful number, since it uses less digits than its factorization.

86918327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803848.

The product of its digits is 145152, while the sum is 44.

The square root of 86918327 is about 9322.9998927384. Note that the first 3 decimals coincide. The cubic root of 86918327 is about 442.9660609213.

The spelling of 86918327 in words is "eighty-six million, nine hundred eighteen thousand, three hundred twenty-seven".

Divisors: 1 31 2803817 86918327