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86886270 = 2345671601
BaseRepresentation
bin1010010110111…
…00011101111110
320001111021120000
411023130131332
5134220330040
612342135130
72103343512
oct513343576
9201437500
1086886270
1145054a39
12251214a6
13150018c3
14b77a142
157964130
hex52dc77e

86886270 has 80 divisors (see below), whose sum is σ = 237262608. Its totient is φ = 22809600.

The previous prime is 86886253. The next prime is 86886271. The reversal of 86886270 is 7268868.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86886271) 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 39 ways as a sum of consecutive naturals, for example, 53470 + ... + 55070.

Almost surely, 286886270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86886270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118631304).

86886270 is an abundant number, since it is smaller than the sum of its proper divisors (150376338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86886270 is a wasteful number, since it uses less digits than its factorization.

86886270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 86886270 is about 9321.2804914346. The cubic root of 86886270 is about 442.9115963466.

The spelling of 86886270 in words is "eighty-six million, eight hundred eighty-six thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 67 81 90 134 135 162 201 270 335 402 405 603 670 810 1005 1206 1601 1809 2010 3015 3202 3618 4803 5427 6030 8005 9045 9606 10854 14409 16010 18090 24015 27135 28818 43227 48030 54270 72045 86454 107267 129681 144090 214534 216135 259362 321801 432270 536335 643602 648405 965403 1072670 1296810 1609005 1930806 2896209 3218010 4827015 5792418 8688627 9654030 14481045 17377254 28962090 43443135 86886270