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86787295 = 5717145861
BaseRepresentation
bin1010010110001…
…00010011011111
320001022020210021
411023010103133
5134204143140
612340053011
72102452120
oct513042337
9201266707
1086787295
1144a97641
1225094167
1314c9883a
14b752047
157944b4a
hex52c44df

86787295 has 16 divisors (see below), whose sum is σ = 126024768. Its totient is φ = 56010240.

The previous prime is 86787293. The next prime is 86787299. The reversal of 86787295 is 59278768.

It is not a de Polignac number, because 86787295 - 21 = 86787293 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 (86787293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72336 + ... + 73525.

It is an arithmetic number, because the mean of its divisors is an integer number (7876548).

Almost surely, 286787295 is an apocalyptic number.

86787295 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86787295 is a deficient number, since it is larger than the sum of its proper divisors (39237473).

86787295 is a wasteful number, since it uses less digits than its factorization.

86787295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145890.

The product of its digits is 1693440, while the sum is 52.

The square root of 86787295 is about 9315.9698904623. The cubic root of 86787295 is about 442.7433540714.

The spelling of 86787295 in words is "eighty-six million, seven hundred eighty-seven thousand, two hundred ninety-five".

Divisors: 1 5 7 17 35 85 119 595 145861 729305 1021027 2479637 5105135 12398185 17357459 86787295