Search a number
-
+
11290284 = 2232313619
BaseRepresentation
bin101011000100…
…011010101100
3210020121100200
4223010122230
510342242114
61041553500
7164652165
oct53043254
923217320
1011290284
116411615
123945890
132453c55
1416dc76c
15ed0409
hexac46ac

11290284 has 18 divisors (see below), whose sum is σ = 28539420. Its totient is φ = 3763416.

The previous prime is 11290277. The next prime is 11290289. The reversal of 11290284 is 48209211.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (11290289) 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 5 ways as a sum of consecutive naturals, for example, 156774 + ... + 156845.

Almost surely, 211290284 is an apocalyptic number.

It is an amenable number.

11290284 is an abundant number, since it is smaller than the sum of its proper divisors (17249136).

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

11290284 is a wasteful number, since it uses less digits than its factorization.

11290284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313629 (or 313624 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11290284 is about 3360.1017841726. The cubic root of 11290284 is about 224.3373689681.

Adding to 11290284 its reverse (48209211), we get a palindrome (59499495).

The spelling of 11290284 in words is "eleven million, two hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 313619 627238 940857 1254476 1881714 2822571 3763428 5645142 11290284