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11290480 = 245141131
BaseRepresentation
bin101011000100…
…011101110000
3210020121121221
4223010131300
510342243410
61041554424
7164652565
oct53043560
923217557
1011290480
116411783
123945a14
132454076
1416dc86c
15ed04da
hexac4770

11290480 has 20 divisors (see below), whose sum is σ = 26250552. Its totient is φ = 4516160.

The previous prime is 11290471. The next prime is 11290501. The reversal of 11290480 is 8409211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 70486 + ... + 70645.

Almost surely, 211290480 is an apocalyptic number.

11290480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11290480 is an abundant number, since it is smaller than the sum of its proper divisors (14960072).

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

11290480 is a wasteful number, since it uses less digits than its factorization.

11290480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141144 (or 141138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11290480 is about 3360.1309498292. The cubic root of 11290480 is about 224.3386671306.

Adding to 11290480 its reverse (8409211), we get a palindrome (19699691).

The spelling of 11290480 in words is "eleven million, two hundred ninety thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 141131 282262 564524 705655 1129048 1411310 2258096 2822620 5645240 11290480