Search a number
-
+
11906886 = 234742223
BaseRepresentation
bin101101011010…
…111101000110
3211101221011210
4231122331012
511022010021
61103112250
7203130645
oct55327506
924357153
1011906886
1167a2902
123ba2686
13260b7c4
14181d35c
1510a2e76
hexb5af46

11906886 has 16 divisors (see below), whose sum is σ = 24321024. Its totient is φ = 3884424.

The previous prime is 11906861. The next prime is 11906891. The reversal of 11906886 is 68860911.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20830 + ... + 21393.

It is an arithmetic number, because the mean of its divisors is an integer number (1520064).

Almost surely, 211906886 is an apocalyptic number.

11906886 is an abundant number, since it is smaller than the sum of its proper divisors (12414138).

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

11906886 is a wasteful number, since it uses less digits than its factorization.

11906886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42275.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 11906886 is about 3450.6355936262. The cubic root of 11906886 is about 228.3491495725.

The spelling of 11906886 in words is "eleven million, nine hundred six thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 47 94 141 282 42223 84446 126669 253338 1984481 3968962 5953443 11906886