Search a number
-
+
86886225 = 3252386161
BaseRepresentation
bin1010010110111…
…00011101010001
320001111021111100
411023130131101
5134220324400
612342135013
72103343416
oct513343521
9201437440
1086886225
11450549a8
1225121469
131500188a
14b77a10d
157964100
hex52dc751

86886225 has 18 divisors (see below), whose sum is σ = 155623286. Its totient is φ = 46339200.

The previous prime is 86886209. The next prime is 86886253. The reversal of 86886225 is 52268868.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 86881041 = 72^2 + 9321^2 .

It is not a de Polignac number, because 86886225 - 24 = 86886209 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 192856 + ... + 193305.

Almost surely, 286886225 is an apocalyptic number.

It is an amenable number.

86886225 is a deficient number, since it is larger than the sum of its proper divisors (68737061).

86886225 is a wasteful number, since it uses less digits than its factorization.

86886225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386177 (or 386169 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 86886225 is about 9321.2780776029. The cubic root of 86886225 is about 442.9115198826.

The spelling of 86886225 in words is "eighty-six million, eight hundred eighty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 386161 1158483 1930805 3475449 5792415 9654025 17377245 28962075 86886225