Search a number
-
+
86091255 = 3757873
BaseRepresentation
bin1010010000110…
…10010111110111
312222222220000000
411020122113313
5134014410010
612313122343
72063522625
oct510322767
9188886000
1086091255
11446616a8
12249b93b3
1314ab3a93
14b610515
1578587c0
hex521a5f7

86091255 has 32 divisors (see below), whose sum is σ = 154960320. Its totient is φ = 45909504.

The previous prime is 86091241. The next prime is 86091259. The reversal of 86091255 is 55219068.

It is a happy number.

It is not a de Polignac number, because 86091255 - 27 = 86091127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86091259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6999 + ... + 14871.

It is an arithmetic number, because the mean of its divisors is an integer number (4842510).

Almost surely, 286091255 is an apocalyptic number.

86091255 is a deficient number, since it is larger than the sum of its proper divisors (68869065).

86091255 is an frugal number, since it uses more digits than its factorization.

86091255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899 (or 7881 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 86091255 is about 9278.5373308512. The cubic root of 86091255 is about 441.5565650953.

The spelling of 86091255 in words is "eighty-six million, ninety-one thousand, two hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 2187 3645 7873 10935 23619 39365 70857 118095 212571 354285 637713 1062855 1913139 3188565 5739417 9565695 17218251 28697085 86091255