Search a number
-
+
86868222 = 2372068291
BaseRepresentation
bin1010010110110…
…00000011111110
320001110100210120
411023120003332
5134214240342
612341515410
72103240060
oct513300376
9201410716
1086868222
1145042421
1225112b66
1314cc661c
14b773730
15795daec
hex52d80fe

86868222 has 16 divisors (see below), whose sum is σ = 198556032. Its totient is φ = 24819480.

The previous prime is 86868203. The next prime is 86868227. The reversal of 86868222 is 22286868.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2068291 = 86868222 / (8 + 6 + 8 + 6 + 8 + 2 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86868227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034104 + ... + 1034187.

It is an arithmetic number, because the mean of its divisors is an integer number (12409752).

Almost surely, 286868222 is an apocalyptic number.

86868222 is an abundant number, since it is smaller than the sum of its proper divisors (111687810).

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

86868222 is a wasteful number, since it uses less digits than its factorization.

86868222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068303.

The product of its digits is 147456, while the sum is 42.

The square root of 86868222 is about 9320.3123338223. The cubic root of 86868222 is about 442.8809270512.

The spelling of 86868222 in words is "eighty-six million, eight hundred sixty-eight thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 2068291 4136582 6204873 12409746 14478037 28956074 43434111 86868222