Search a number
-
+
2149086 = 23358181
BaseRepresentation
bin1000001100101011011110
311001011222210
420030223132
51022232321
6114021250
724160362
oct10145336
94034883
102149086
111238705
12877826
135a3264
143dd2a2
152c6b76
hex20cade

2149086 has 8 divisors (see below), whose sum is σ = 4298184. Its totient is φ = 716360.

The previous prime is 2149067. The next prime is 2149087. The reversal of 2149086 is 6809412.

2149086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2149086 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179085 + ... + 179096.

It is an arithmetic number, because the mean of its divisors is an integer number (537273).

22149086 is an apocalyptic number.

2149086 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.

2149086 is a wasteful number, since it uses less digits than its factorization.

2149086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358186.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2149086 is about 1465.9761253172. The cubic root of 2149086 is about 129.0479960817.

The spelling of 2149086 in words is "two million, one hundred forty-nine thousand, eighty-six".

Divisors: 1 2 3 6 358181 716362 1074543 2149086