Search a number
-
+
11886222 = 231981037
BaseRepresentation
bin101101010101…
…111010001110
3211100212211110
4231111322032
511020324342
61102432450
7203013465
oct55257216
924325743
1011886222
116789327
123b92726
13260228a
1418159dc
15109bc9c
hexb55e8e

11886222 has 8 divisors (see below), whose sum is σ = 23772456. Its totient is φ = 3962072.

The previous prime is 11886169. The next prime is 11886223. The reversal of 11886222 is 22268811.

It is a sphenic number, since it is the product of 3 distinct primes.

11886222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11886222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11886223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990513 + ... + 990524.

It is an arithmetic number, because the mean of its divisors is an integer number (2971557).

Almost surely, 211886222 is an apocalyptic number.

11886222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11886222 is a wasteful number, since it uses less digits than its factorization.

11886222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981042.

The product of its digits is 3072, while the sum is 30.

The square root of 11886222 is about 3447.6400624195. The cubic root of 11886222 is about 228.2169756600.

The spelling of 11886222 in words is "eleven million, eight hundred eighty-six thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1981037 3962074 5943111 11886222