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11290236 = 223940853
BaseRepresentation
bin101011000100…
…011001111100
3210020121021220
4223010121330
510342241421
61041553340
7164652066
oct53043174
923217256
1011290236
116411581
123945850
132453c19
1416dc736
15ed03c6
hexac467c

11290236 has 12 divisors (see below), whose sum is σ = 26343912. Its totient is φ = 3763408.

The previous prime is 11290229. The next prime is 11290247. The reversal of 11290236 is 63209211.

11290236 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470415 + ... + 470438.

It is an arithmetic number, because the mean of its divisors is an integer number (2195326).

Almost surely, 211290236 is an apocalyptic number.

It is an amenable number.

11290236 is an abundant number, since it is smaller than the sum of its proper divisors (15053676).

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

11290236 is a wasteful number, since it uses less digits than its factorization.

11290236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940860 (or 940858 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 11290236 is about 3360.0946415243. The cubic root of 11290236 is about 224.3370510484.

Adding to 11290236 its reverse (63209211), we get a palindrome (74499447).

The spelling of 11290236 in words is "eleven million, two hundred ninety thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 940853 1881706 2822559 3763412 5645118 11290236